Bump database_cleaner to ~> 1.4.0

Gemfile

@@ -227,7 +227,7 @@ group :development, :test do
   gem 'pry-rails'
 
   gem 'coveralls', require: false
-  gem 'database_cleaner'
+  gem 'database_cleaner', '~> 1.4.0'
   gem 'factory_girl_rails'
   gem 'rspec-rails', '~> 3.3.0'
   gem 'rubocop', '0.28.0', require: false

Gemfile.lock

@@ -125,7 +125,7 @@ GEM
     d3_rails (3.5.5)
       railties (>= 3.1.0)
     daemons (1.1.9)
-    database_cleaner (1.3.0)
+    database_cleaner (1.4.1)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
     default_value_for (3.0.0)
@@ -748,7 +748,7 @@ DEPENDENCIES
   coveralls
   creole (~> 0.3.6)
   d3_rails (~> 3.5.5)
-  database_cleaner
+  database_cleaner (~> 1.4.0)
   default_value_for (~> 3.0.0)
   devise (= 3.2.4)
   devise-async (= 0.9.0)
@@ -859,6 +859,3 @@ DEPENDENCIES
   virtus
   webmock (~> 1.21.0)
   wikicloth (= 0.8.1)
-
-BUNDLED WITH
-   1.10.4