Add user_color_scheme_class helper
Fix code blocks in Markdown not knowing about the user's color scheme
Fix CSS for code highlighting
Merge pull request #2095 from riyad/fix-code-highlighting

Fix code highlighting
fixed the bug of URIDECODE error

if link to a chinese file name, it will jump to error page;
for example, the chinese file name called "消息文档.md", when after urlencode, it will be "%E6%B6%88%E6%81%AF%E6%96%87%E6%A1%A3.md", but after use History.pushState, will jump to a bad decode link.
Fix GitLab Markdown helper spec
Add a link to each project on the Issues dashboard
Merge pull request #2103 from tsigo/issue_project_link_rebase

Add a link to each project on the Issues dashboard
Improve admin views for project and groups
* layout: add 'Groups' item to main_menu
* admin/dashboard: add a ui-box for groups
* projects and groups: remove nav tabs
Restyled error messages in common way. Added title to head partial
Spinach test added
authorized_for scope added to project
Merge pull request #2107 from AlexDenisov/projects_count_at_dashboard

Projects count at dashboard
Merge pull request #1655 from zzet/feature/resque_fix

fix resque start
Removed feature: comments on wiki
Improve admin logs
Merge pull request #2105 from jouve/improve_admin_views

Improve admin section
Merge pull request #2096 from panxiaoming/master

can't open a chinese file name doc
Refactor abilities. Added ProjectUpdate context. Fixed few bugs with namespaces
Removed css declarations out of main.scss, so main is only a collector
Fonts, variables and mixins are now all in their own stylesheets