diff --git a/.gitignore b/.gitignore
index 4f77837151..2c6b65b7b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,4 @@ public/assets/
 .envrc
 dump.rdb
 tags
+.gitlab_shell_secret
diff --git a/GITLAB_SHELL_VERSION b/GITLAB_SHELL_VERSION
index 38f77a65b3..7ec1d6db40 100644
--- a/GITLAB_SHELL_VERSION
+++ b/GITLAB_SHELL_VERSION
@@ -1 +1 @@
-2.0.1
+2.1.0
diff --git a/VERSION b/VERSION
index a384a475f5..84f9b0a7b9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-7.4.0.rc1-ee
+7.5.0.pre-ee
diff --git a/app/assets/stylesheets/sections/issues.scss b/app/assets/stylesheets/sections/issues.scss
index a7fa715d2e..ebf8a6125c 100644
--- a/app/assets/stylesheets/sections/issues.scss
+++ b/app/assets/stylesheets/sections/issues.scss
@@ -75,7 +75,7 @@
 }
 
 .participants {
-  margin-bottom: 10px;
+  margin-bottom: 20px;
 }
 
 .issues_bulk_update {
diff --git a/app/assets/stylesheets/sections/merge_requests.scss b/app/assets/stylesheets/sections/merge_requests.scss
index 22f20a7df4..ec844cc00b 100644
--- a/app/assets/stylesheets/sections/merge_requests.scss
+++ b/app/assets/stylesheets/sections/merge_requests.scss
@@ -113,30 +113,36 @@
     font-size: 15px;
     border-bottom: 1px solid #BBB;
     color: #777;
+    background-color: #F5F5F5;
 
     &.ci-success {
       color: $bg_success;
       border-color: $border_success;
+      background-color: #F1FAF1;
     }
 
     &.ci-pending {
       color: #548;
       border-color: #548;
+      background-color: #F4F1FA;
     }
 
     &.ci-running {
       color: $bg_warning;
       border-color: $border_warning;
+      background-color: #FAF5F1;
     }
 
     &.ci-failed {
       color: $bg_danger;
       border-color: $border_danger;
+      background-color: #FAF1F1;
     }
 
     &.ci-error {
       color: $bg_danger;
       border-color: $border_danger;
+      background-color: #FAF1F1;
     }
   }
 
diff --git a/app/views/dashboard/_zero_authorized_projects.html.haml b/app/views/dashboard/_zero_authorized_projects.html.haml
index 711e607f0b..5d133cd828 100644
--- a/app/views/dashboard/_zero_authorized_projects.html.haml
+++ b/app/views/dashboard/_zero_authorized_projects.html.haml
@@ -46,5 +46,5 @@
         %br
         Public projects are an easy way to allow everyone to have read-only access.
       .link_holder
-        = link_to explore_projects_path, class: "btn btn-new" do
+        = link_to trending_explore_projects_path, class: "btn btn-new" do
           Browse public projects »
diff --git a/config/initializers/gitlab_shell_secret_token.rb b/config/initializers/gitlab_shell_secret_token.rb
new file mode 100644
index 0000000000..8d2b771e53
--- /dev/null
+++ b/config/initializers/gitlab_shell_secret_token.rb
@@ -0,0 +1,19 @@
+# Be sure to restart your server when you modify this file.
+
+require 'securerandom'
+
+# Your secret key for verifying the gitlab_shell.
+
+
+secret_file = Rails.root.join('.gitlab_shell_secret')
+gitlab_shell_symlink = File.join(Gitlab.config.gitlab_shell.path, '.gitlab_shell_secret')
+
+unless File.exist? secret_file
+  # Generate a new token of 16 random hexadecimal characters and store it in secret_file.
+  token = SecureRandom.hex(16)
+  File.write(secret_file, token)
+end
+
+if File.exist?(Gitlab.config.gitlab_shell.path) && !File.exist?(gitlab_shell_symlink)
+  FileUtils.symlink(secret_file, gitlab_shell_symlink)
+end
\ No newline at end of file
diff --git a/doc/markdown/markdown.md b/doc/markdown/markdown.md
index 6d96da76ad..edb7a97550 100644
--- a/doc/markdown/markdown.md
+++ b/doc/markdown/markdown.md
@@ -510,6 +510,10 @@ Code above produces next output:
 | cell 1   | cell 2   |
 | cell 3   | cell 4   |
 
+**Note**
+
+The row of dashes between the table header and body must have at least three dashes in each column.
+
 ## References
 
 - This document leveraged heavily from the [Markdown-Cheatsheet](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet).
diff --git a/lib/api/helpers.rb b/lib/api/helpers.rb
index 3262884f6d..027fb20ec4 100644
--- a/lib/api/helpers.rb
+++ b/lib/api/helpers.rb
@@ -67,6 +67,10 @@ module API
       unauthorized! unless current_user
     end
 
+    def authenticate_by_gitlab_shell_token!
+      unauthorized! unless secret_token == params['secret_token']
+    end
+
     def authenticated_as_admin!
       forbidden! unless current_user.is_admin?
     end
@@ -193,5 +197,9 @@ module API
                        abilities
                      end
     end
+
+    def secret_token
+      File.read(Rails.root.join('.gitlab_shell_secret'))
+    end
   end
 end
diff --git a/lib/api/internal.rb b/lib/api/internal.rb
index 9ac659f50f..ebf2296097 100644
--- a/lib/api/internal.rb
+++ b/lib/api/internal.rb
@@ -1,6 +1,10 @@
 module API
   # Internal access API
   class Internal < Grape::API
+    before {
+      authenticate_by_gitlab_shell_token!
+    }
+
     namespace 'internal' do
       # Check if git command is allowed to project
       #
diff --git a/lib/support/nginx/gitlab-ssl b/lib/support/nginx/gitlab-ssl
index d3fb467ef2..fd4f93c2f9 100644
--- a/lib/support/nginx/gitlab-ssl
+++ b/lib/support/nginx/gitlab-ssl
@@ -91,8 +91,7 @@ server {
   # resolver_timeout 10s;
 
   ## [Optional] Generate a stronger DHE parameter:
-  ##   cd /etc/ssl/certs
-  ##   sudo openssl dhparam -out dhparam.pem 4096
+  ##   sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096
   ##
   # ssl_dhparam /etc/ssl/certs/dhparam.pem;
 
diff --git a/spec/requests/api/internal_spec.rb b/spec/requests/api/internal_spec.rb
index 6df5ef3896..677b149404 100644
--- a/spec/requests/api/internal_spec.rb
+++ b/spec/requests/api/internal_spec.rb
@@ -5,10 +5,11 @@ describe API::API, api: true  do
   let(:user) { create(:user) }
   let(:key) { create(:key, user: user) }
   let(:project) { create(:project) }
+  let(:secret_token) { File.read Rails.root.join('.gitlab_shell_secret') }
 
   describe "GET /internal/check", no_db: true do
     it do
-      get api("/internal/check")
+      get api("/internal/check"), secret_token: secret_token
 
       response.status.should == 200
       json_response['api_version'].should == API::API.version
@@ -17,7 +18,7 @@ describe API::API, api: true  do
 
   describe "GET /internal/discover" do
     it do
-      get(api("/internal/discover"), key_id: key.id)
+      get(api("/internal/discover"), key_id: key.id, secret_token: secret_token)
 
       response.status.should == 200
 
@@ -159,7 +160,8 @@ describe API::API, api: true  do
       api("/internal/allowed"),
       key_id: key.id,
       project: project.path_with_namespace,
-      action: 'git-upload-pack'
+      action: 'git-upload-pack',
+      secret_token: secret_token
     )
   end
 
@@ -169,7 +171,8 @@ describe API::API, api: true  do
       changes: 'd14d6c0abdd253381df51a723d58691b2ee1ab08 570e7b2abdd848b95f2f578043fc23bd6f6fd24d refs/heads/master',
       key_id: key.id,
       project: project.path_with_namespace,
-      action: 'git-receive-pack'
+      action: 'git-receive-pack',
+      secret_token: secret_token
     )
   end
 
@@ -179,7 +182,8 @@ describe API::API, api: true  do
       ref: 'master',
       key_id: key.id,
       project: project.path_with_namespace,
-      action: 'git-upload-archive'
+      action: 'git-upload-archive',
+      secret_token: secret_token
     )
   end
 end