Merge branch '17492-link-contrast' into 'master'

17492 Update link color for more accessible contrast

## What does this MR do?
Improves contrast of links to pass accessibility contrast checker http://webaim.org/resources/contrastchecker/

## Screenshots (if relevant)
Before:
![Screen_Shot_2016-11-07_at_11.09.44_AM](/uploads/233c53cd81436a00f0cc7f826ca900df/Screen_Shot_2016-11-07_at_11.09.44_AM.png)
After:
![Screen_Shot_2016-11-07_at_11.09.22_AM](/uploads/698ac990d61434893709a3cea78896d9/Screen_Shot_2016-11-07_at_11.09.22_AM.png)

## Does this MR meet the acceptance criteria?

- [ ] [Changelog entry](https://docs.gitlab.com/ce/development/changelog.html) added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if it does - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?


Closes #17492

See merge request !7340

app/assets/stylesheets/framework/selects.scss

@@ -63,7 +63,7 @@
 }
 
 .select2-highlighted {
-  background: #3084bb !important;
+  background: $gl-link-color !important;
 }
 
 .select2-results li.select2-result-with-children > .select2-result-label {

app/assets/stylesheets/framework/variables.scss

@@ -103,7 +103,7 @@ $gl-text-color-light: #8c8c8c;
 $gl-text-green: #4a2;
 $gl-text-red: #d12f19;
 $gl-text-orange: #d90;
-$gl-link-color: #3084bb;
+$gl-link-color: #3777b0;
 $gl-dark-link-color: #333;
 $gl-placeholder-color: #8f8f8f;
 $gl-icon-color: $gl-placeholder-color;
@@ -197,7 +197,7 @@ $line-number-new: #ddfbe6;
 $line-number-select: #fbf2da;
 $match-line: $gray-light;
 $table-border-gray: #f0f0f0;
-$line-target-blue: #eaf3fc;
+$line-target-blue: #f6faff;
 $line-select-yellow: #fcf8e7;
 $line-select-yellow-dark: #f0e2bd;
 

app/views/notify/pipeline_failed_email.html.haml

@@ -103,11 +103,11 @@
                                           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:15px;line-height:1.4;vertical-align:middle;padding-right:5px;"}
                                             %img{height: "13", src: image_url('mailers/ci_pipeline_notif_v1/icon-commit-gray.gif'), style: "display:block;", width: "13"}/
                                           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:15px;line-height:1.4;vertical-align:middle;"}
-                                            %a{href: commit_url(@pipeline), style: "color:#3084bb;text-decoration:none;"}
+                                            %a{href: commit_url(@pipeline), style: "color:#3777b0;text-decoration:none;"}
                                               = @pipeline.short_sha
                                             - if @merge_request
                                               in
-                                              %a{href: merge_request_url(@merge_request), style: "color:#3084bb;text-decoration:none;"}
+                                              %a{href: merge_request_url(@merge_request), style: "color:#3777b0;text-decoration:none;"}
                                                 = @merge_request.to_reference
                                     .commit{style: "color:#5c5c5c;font-weight:300;"}
                                       = @pipeline.git_commit_message.truncate(50)
@@ -134,7 +134,7 @@
                         %tr.pre-section
                           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#333333;font-size:15px;font-weight:400;line-height:1.4;padding:15px 0;"}
                             Pipeline
-                            %a{href: pipeline_url(@pipeline), style: "color:#3084bb;text-decoration:none;"}
+                            %a{href: pipeline_url(@pipeline), style: "color:#3777b0;text-decoration:none;"}
                               = "\##{@pipeline.id}"
                             had
                             = failed.size
@@ -158,7 +158,7 @@
                                             %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#8c8c8c;font-weight:500;font-size:15px;vertical-align:middle;"}
                                               = build.stage
                                     %td{align: "right", style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:20px 0;color:#8c8c8c;font-weight:500;font-size:15px;"}
-                                      %a{href: pipeline_build_url(@pipeline, build), style: "color:#3084bb;text-decoration:none;"}
+                                      %a{href: pipeline_build_url(@pipeline, build), style: "color:#3777b0;text-decoration:none;"}
                                         = build.name
                                   %tr.build-log
                                     %td{colspan: "2", style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:0 0 15px;"}
@@ -168,10 +168,10 @@
           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;font-size:13px;line-height:1.6;color:#5c5c5c;"}
             %img{alt: "GitLab", height: "33", src: image_url('mailers/ci_pipeline_notif_v1/gitlab-logo-full-horizontal.gif'), style: "display:block;margin:0 auto 1em;", width: "90"}/
             %div
-              %a{href: profile_notifications_url, style: "color:#3084bb;text-decoration:none;"} Manage all notifications
+              %a{href: profile_notifications_url, style: "color:#3777b0;text-decoration:none;"} Manage all notifications
               ·
-              %a{href: help_url, style: "color:#3084bb;text-decoration:none;"} Help
+              %a{href: help_url, style: "color:#3777b0;text-decoration:none;"} Help
             %div
               You're receiving this email because of your account on
               = succeed "." do
-                %a{href: root_url, style: "color:#3084bb;text-decoration:none;"}= Gitlab.config.gitlab.host
+                %a{href: root_url, style: "color:#3777b0;text-decoration:none;"}= Gitlab.config.gitlab.host

app/views/notify/pipeline_success_email.html.haml

@@ -103,11 +103,11 @@
                                           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:15px;line-height:1.4;vertical-align:middle;padding-right:5px;"}
                                             %img{height: "13", src: image_url('mailers/ci_pipeline_notif_v1/icon-commit-gray.gif'), style: "display:block;", width: "13"}/
                                           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;font-size:15px;line-height:1.4;vertical-align:middle;"}
-                                            %a{href: commit_url(@pipeline), style: "color:#3084bb;text-decoration:none;"}
+                                            %a{href: commit_url(@pipeline), style: "color:#3777b0;text-decoration:none;"}
                                               = @pipeline.short_sha
                                             - if @merge_request
                                               in
-                                              %a{href: merge_request_url(@merge_request), style: "color:#3084bb;text-decoration:none;"}
+                                              %a{href: merge_request_url(@merge_request), style: "color:#3777b0;text-decoration:none;"}
                                                 = @merge_request.to_reference
                                     .commit{style: "color:#5c5c5c;font-weight:300;"}
                                       = @pipeline.git_commit_message.truncate(50)
@@ -135,7 +135,7 @@
                             - build_count = @pipeline.statuses.latest.size
                             - stage_count = @pipeline.stages.size
                             Pipeline
-                            %a{href: pipeline_url(@pipeline), style: "color:#3084bb;text-decoration:none;"}
+                            %a{href: pipeline_url(@pipeline), style: "color:#3777b0;text-decoration:none;"}
                               = "\##{@pipeline.id}"
                             successfully completed
                             = "#{build_count} #{'build'.pluralize(build_count)}"
@@ -145,10 +145,10 @@
           %td{style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:25px 0;font-size:13px;line-height:1.6;color:#5c5c5c;"}
             %img{alt: "GitLab", height: "33", src: image_url('mailers/ci_pipeline_notif_v1/gitlab-logo-full-horizontal.gif'), style: "display:block;margin:0 auto 1em;", width: "90"}/
             %div
-              %a{href: profile_notifications_url, style: "color:#3084bb;text-decoration:none;"} Manage all notifications
+              %a{href: profile_notifications_url, style: "color:#3777b0;text-decoration:none;"} Manage all notifications
               ·
-              %a{href: help_url, style: "color:#3084bb;text-decoration:none;"} Help
+              %a{href: help_url, style: "color:#3777b0;text-decoration:none;"} Help
             %div
               You're receiving this email because of your account on
               = succeed "." do
-                %a{href: root_url, style: "color:#3084bb;text-decoration:none;"}= Gitlab.config.gitlab.host
+                %a{href: root_url, style: "color:#3777b0;text-decoration:none;"}= Gitlab.config.gitlab.host