diff --git a/.idea/.generators b/.idea/.generators
deleted file mode 100644
index fac5d92..0000000
--- a/.idea/.generators
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Settings><!--This file was automatically generated by Ruby plugin.
-You are allowed to: 
-1. Reorder generators
-2. Remove generators
-3. Add installed generators
-To add new installed generators automatically delete this file and reload the project.
---><GeneratorsGroup><Generator name="assets" /><Generator name="coffee:assets" /><Generator name="controller" /><Generator name="cucumber:install" /><Generator name="generator" /><Generator name="helper" /><Generator name="integration_test" /><Generator name="jquery:install" /><Generator name="js:assets" /><Generator name="machinist:install" /><Generator name="machinist:model" /><Generator name="mailer" /><Generator name="migration" /><Generator name="model" /><Generator name="observer" /><Generator name="performance_test" /><Generator name="resource" /><Generator name="rspec:install" /><Generator name="scaffold" /><Generator name="scaffold_controller" /><Generator name="session_migration" /><Generator name="task" /><Generator name="test_unit:controller" /><Generator name="test_unit:helper" /><Generator name="test_unit:integration" /><Generator name="test_unit:mailer" /><Generator name="test_unit:model" /><Generator name="test_unit:observer" /><Generator name="test_unit:performance" /><Generator name="test_unit:plugin" /><Generator name="test_unit:scaffold" /></GeneratorsGroup></Settings>
diff --git a/.idea/.name b/.idea/.name
deleted file mode 100644
index fb18be3..0000000
--- a/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-libr
\ No newline at end of file
diff --git a/.idea/.rakeTasks b/.idea/.rakeTasks
deleted file mode 100644
index 7711a34..0000000
--- a/.idea/.rakeTasks
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Settings><!--This file was automatically generated by Ruby plugin.
-You are allowed to: 
-1. Remove rake task
-2. Add existing rake tasks
-To add existing rake tasks automatically delete this file and reload the project.
---><RakeGroup description="" fullCmd="" taksId="rake"><RakeTask description="List versions of all Rails frameworks and the environment" fullCmd="about" taksId="about" /><RakeGroup description="" fullCmd="" taksId="assets"><RakeTask description="Remove compiled assets" fullCmd="assets:clean" taksId="clean" /><RakeTask description="Compile all the assets named in config.assets.precompile" fullCmd="assets:precompile" taksId="precompile" /><RakeGroup description="" fullCmd="" taksId="clean"><RakeTask description="" fullCmd="assets:clean:all" taksId="all" /></RakeGroup><RakeTask description="" fullCmd="assets:environment" taksId="environment" /><RakeGroup description="" fullCmd="" taksId="precompile"><RakeTask description="" fullCmd="assets:precompile:all" taksId="all" /><RakeTask description="" fullCmd="assets:precompile:nondigest" taksId="nondigest" /><RakeTask description="" fullCmd="assets:precompile:primary" taksId="primary" /></RakeGroup></RakeGroup><RakeTask description="Remove any temporary products" fullCmd="clean" taksId="clean" /><RakeTask description="Remove any generated file" fullCmd="clobber" taksId="clobber" /><RakeGroup description="" fullCmd="" taksId="db"><RakeTask description="Create the database from DATABASE_URL or config/database.yml for the current Rails.env (use db:create:all to create all dbs in the config)" fullCmd="db:create" taksId="create" /><RakeTask description="Drops the database using DATABASE_URL or the current Rails.env (use db:drop:all to drop all databases)" fullCmd="db:drop" taksId="drop" /><RakeGroup description="" fullCmd="" taksId="fixtures"><RakeTask description="Load fixtures into the current environment's database" fullCmd="db:fixtures:load" taksId="load" /><RakeTask description="" fullCmd="db:fixtures:identify" taksId="identify" /></RakeGroup><RakeTask description="Migrate the database (options: VERSION=x, VERBOSE=false)" fullCmd="db:migrate" taksId="migrate" /><RakeGroup description="" fullCmd="" taksId="migrate"><RakeTask description="Display status of migrations" fullCmd="db:migrate:status" taksId="status" /><RakeTask description="" fullCmd="db:migrate:down" taksId="down" /><RakeTask description="" fullCmd="db:migrate:redo" taksId="redo" /><RakeTask description="" fullCmd="db:migrate:reset" taksId="reset" /><RakeTask description="" fullCmd="db:migrate:up" taksId="up" /></RakeGroup><RakeTask description="Rolls the schema back to the previous version (specify steps w/ STEP=n)" fullCmd="db:rollback" taksId="rollback" /><RakeGroup description="" fullCmd="" taksId="schema"><RakeTask description="Create a db/schema.rb file that can be portably used against any DB supported by AR" fullCmd="db:schema:dump" taksId="dump" /><RakeTask description="Load a schema.rb file into the database" fullCmd="db:schema:load" taksId="load" /><RakeTask description="" fullCmd="db:schema:load_if_ruby" taksId="load_if_ruby" /></RakeGroup><RakeTask description="Load the seed data from db/seeds.rb" fullCmd="db:seed" taksId="seed" /><RakeTask description="Create the database, load the schema, and initialize with the seed data (use db:reset to also drop the db first)" fullCmd="db:setup" taksId="setup" /><RakeGroup description="" fullCmd="" taksId="structure"><RakeTask description="Dump the database structure to db/structure.sql. Specify another file with DB_STRUCTURE=db/my_structure.sql" fullCmd="db:structure:dump" taksId="dump" /><RakeTask description="" fullCmd="db:structure:load" taksId="load" /><RakeTask description="" fullCmd="db:structure:load_if_sql" taksId="load_if_sql" /></RakeGroup><RakeTask description="Retrieves the current schema version number" fullCmd="db:version" taksId="version" /><RakeTask description="" fullCmd="db:_dump" taksId="_dump" /><RakeTask description="" fullCmd="db:abort_if_pending_migrations" taksId="abort_if_pending_migrations" /><RakeTask description="" fullCmd="db:charset" taksId="charset" /><RakeTask description="" fullCmd="db:collation" taksId="collation" /><RakeGroup description="" fullCmd="" taksId="create"><RakeTask description="" fullCmd="db:create:all" taksId="all" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="drop"><RakeTask description="" fullCmd="db:drop:all" taksId="all" /></RakeGroup><RakeTask description="" fullCmd="db:forward" taksId="forward" /><RakeTask description="" fullCmd="db:load_config" taksId="load_config" /><RakeTask description="" fullCmd="db:reset" taksId="reset" /><RakeGroup description="" fullCmd="" taksId="sessions"><RakeTask description="" fullCmd="db:sessions:clear" taksId="clear" /><RakeTask description="" fullCmd="db:sessions:create" taksId="create" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="test"><RakeTask description="" fullCmd="db:test:clone" taksId="clone" /><RakeTask description="" fullCmd="db:test:clone_structure" taksId="clone_structure" /><RakeTask description="" fullCmd="db:test:load" taksId="load" /><RakeTask description="" fullCmd="db:test:load_schema" taksId="load_schema" /><RakeTask description="" fullCmd="db:test:load_structure" taksId="load_structure" /><RakeTask description="" fullCmd="db:test:prepare" taksId="prepare" /><RakeTask description="" fullCmd="db:test:purge" taksId="purge" /></RakeGroup></RakeGroup><RakeGroup description="" fullCmd="" taksId="doc"><RakeTask description="Generate docs for the app -- also available doc:rails, doc:guides, doc:plugins (options: TEMPLATE=/rdoc-template.rb, TITLE=&quot;Custom Title&quot;)" fullCmd="doc:app" taksId="app" /><RakeTask description="" fullCmd="doc:clobber" taksId="clobber" /><RakeTask description="" fullCmd="doc:clobber_app" taksId="clobber_app" /><RakeTask description="" fullCmd="doc:clobber_plugins" taksId="clobber_plugins" /><RakeTask description="" fullCmd="doc:clobber_rails" taksId="clobber_rails" /><RakeTask description="" fullCmd="doc:guides" taksId="guides" /><RakeTask description="" fullCmd="doc:plugins" taksId="plugins" /><RakeTask description="" fullCmd="doc:rails" taksId="rails" /><RakeTask description="" fullCmd="doc:reapp" taksId="reapp" /><RakeTask description="" fullCmd="doc:rerails" taksId="rerails" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="log"><RakeTask description="Truncates all *.log files in log/ to zero bytes" fullCmd="log:clear" taksId="clear" /></RakeGroup><RakeTask description="Prints out your Rack middleware stack" fullCmd="middleware" taksId="middleware" /><RakeTask description="Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)" fullCmd="notes" taksId="notes" /><RakeGroup description="" fullCmd="" taksId="notes"><RakeTask description="Enumerate a custom annotation, specify with ANNOTATION=CUSTOM" fullCmd="notes:custom" taksId="custom" /><RakeTask description="" fullCmd="notes:fixme" taksId="fixme" /><RakeTask description="" fullCmd="notes:optimize" taksId="optimize" /><RakeTask description="" fullCmd="notes:todo" taksId="todo" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="rails"><RakeTask description="Applies the template supplied by LOCATION=(/path/to/template) or URL" fullCmd="rails:template" taksId="template" /><RakeTask description="Update configs and some other initially generated files (or use just update:configs, update:scripts, or update:application_controller)" fullCmd="rails:update" taksId="update" /><RakeGroup description="" fullCmd="" taksId="templates"><RakeTask description="" fullCmd="rails:templates:copy" taksId="copy" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="update"><RakeTask description="" fullCmd="rails:update:application_controller" taksId="application_controller" /><RakeTask description="" fullCmd="rails:update:configs" taksId="configs" /><RakeTask description="" fullCmd="rails:update:scripts" taksId="scripts" /></RakeGroup></RakeGroup><RakeTask description="Print out all defined routes in match order, with names" fullCmd="routes" taksId="routes" /><RakeTask description="Generate a cryptographically secure secret key (this is typically used to generate a secret for cookie sessions)" fullCmd="secret" taksId="secret" /><RakeTask description="Run tests for simplecov" fullCmd="simplecov" taksId="simplecov" /><RakeTask description="Run all specs in spec directory (excluding plugin specs)" fullCmd="spec" taksId="spec" /><RakeGroup description="" fullCmd="" taksId="spec"><RakeTask description="Run the code examples in spec/controllers" fullCmd="spec:controllers" taksId="controllers" /><RakeTask description="Run the code examples in spec/helpers" fullCmd="spec:helpers" taksId="helpers" /><RakeTask description="Run the code examples in spec/lib" fullCmd="spec:lib" taksId="lib" /><RakeTask description="Run the code examples in spec/mailers" fullCmd="spec:mailers" taksId="mailers" /><RakeTask description="Run the code examples in spec/models" fullCmd="spec:models" taksId="models" /><RakeTask description="Run all specs with rcov" fullCmd="spec:rcov" taksId="rcov" /><RakeTask description="Run the code examples in spec/requests" fullCmd="spec:requests" taksId="requests" /><RakeTask description="Run the code examples in spec/routing" fullCmd="spec:routing" taksId="routing" /><RakeTask description="Run the code examples in spec/views" fullCmd="spec:views" taksId="views" /><RakeTask description="" fullCmd="spec:statsetup" taksId="statsetup" /></RakeGroup><RakeTask description="Report code statistics (KLOCs, etc) from the application" fullCmd="stats" taksId="stats" /><RakeTask description="Runs test:units, test:functionals, test:integration together (also available: test:benchmark, test:profile, test:plugins)" fullCmd="test" taksId="test" /><RakeGroup description="" fullCmd="" taksId="test"><RakeTask description="Run tests for {:recent=&gt;&quot;test:prepare&quot;} / Test recent changes" fullCmd="test:recent" taksId="recent" /><RakeTask description="Run tests for {:single=&gt;&quot;test:prepare&quot;}" fullCmd="test:single" taksId="single" /><RakeTask description="Run tests for {:uncommitted=&gt;&quot;test:prepare&quot;} / Test changes since last checkin (only Subversion and Git)" fullCmd="test:uncommitted" taksId="uncommitted" /><RakeTask description="" fullCmd="test:benchmark" taksId="benchmark" /><RakeTask description="" fullCmd="test:functionals" taksId="functionals" /><RakeTask description="" fullCmd="test:integration" taksId="integration" /><RakeTask description="" fullCmd="test:plugins" taksId="plugins" /><RakeTask description="" fullCmd="test:prepare" taksId="prepare" /><RakeTask description="" fullCmd="test:profile" taksId="profile" /><RakeTask description="" fullCmd="test:run" taksId="run" /><RakeTask description="" fullCmd="test:units" taksId="units" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="time"><RakeGroup description="" fullCmd="" taksId="zones"><RakeTask description="Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET parameter, e.g., OFFSET=-6" fullCmd="time:zones:all" taksId="all" /><RakeTask description="" fullCmd="time:zones:local" taksId="local" /><RakeTask description="" fullCmd="time:zones:us" taksId="us" /></RakeGroup></RakeGroup><RakeGroup description="" fullCmd="" taksId="tmp"><RakeTask description="Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, tmp:sockets:clear)" fullCmd="tmp:clear" taksId="clear" /><RakeTask description="Creates tmp directories for sessions, cache, sockets, and pids" fullCmd="tmp:create" taksId="create" /><RakeGroup description="" fullCmd="" taksId="cache"><RakeTask description="" fullCmd="tmp:cache:clear" taksId="clear" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="pids"><RakeTask description="" fullCmd="tmp:pids:clear" taksId="clear" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="sessions"><RakeTask description="" fullCmd="tmp:sessions:clear" taksId="clear" /></RakeGroup><RakeGroup description="" fullCmd="" taksId="sockets"><RakeTask description="" fullCmd="tmp:sockets:clear" taksId="clear" /></RakeGroup></RakeGroup><RakeTask description="" fullCmd="ci" taksId="ci" /><RakeTask description="" fullCmd="default" taksId="default" /><RakeTask description="" fullCmd="doc" taksId="doc" /><RakeTask description="" fullCmd="doc/api" taksId="doc/api" /><RakeTask description="" fullCmd="doc/api/index.html" taksId="doc/api/index.html" /><RakeTask description="" fullCmd="doc/app" taksId="doc/app" /><RakeTask description="" fullCmd="doc/app/index.html" taksId="doc/app/index.html" /><RakeTask description="" fullCmd="environment" taksId="environment" /><RakeTask description="" fullCmd="noop" taksId="noop" /><RakeTask description="" fullCmd="rails_env" taksId="rails_env" /><RakeGroup description="" fullCmd="" taksId="railties"><RakeGroup description="" fullCmd="" taksId="install"><RakeTask description="" fullCmd="railties:install:migrations" taksId="migrations" /></RakeGroup></RakeGroup></RakeGroup></Settings>