Add emoji images to asset load path.
Add information about rich text format dependencies.
Use gitlab_git 5.4.0 without BROKEN_DIFF constant

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve compare logic for EmailOnPush service

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Fix link for MR diff download

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
 Merge branch 'markup-dependencies' into 'master'

Markup Dependencies
 Merge branch 'refactor_compare' into 'master'

Refactor Compare logic

Updated gitlab_git to version 5.4.0.
Fixes MR diff download link in case of huge diff.
Fixes #1026
Gemnasium makes us red even though we are not exposed to a JRuby bug.
 Merge branch 'remove-gem-button' into 'master'

Remove Gem Button
Markdown styles dependencies are optional.
 Merge branch 'markdown-styles' into 'master'

Markdown Styles
User can leave group from group page.
Update minor version upgrade guide get latest code section.
Merge pull request #6274 from cirosantilli/leave-group-from-members-page

User can leave group from group page.
Added gitter link
Merge pull request #6258 from zzet/patch-6

Add emoji images to asset load path.
Merge pull request #6310 from jvanbaarsen/add-gitter-link

Added gitter link
Fixes #6311: cp the init.d file locally instead of remote
Merge pull request #6315 from jvanbaarsen/fix-6311

Fixes #6311: cp the init.d file locally instead of remote