Add api support for raw blob search

See issue
http://feedback.gitlab.com/forums/176466-general/suggestions/4566001-expose-raw-object-search-via-the-gitlab-api
Force IE use latest engine to render.
Include release candidates in the monthly release process.
Merge branch 'release-candidate' of /home/git/repositories/gitlab/gitlabhq
Merge pull request #5938 from xieyubo/master

Force IE use latest engine to render.
Merge pull request #5920 from tgerdes/raw_blob_api

Add api support for raw blob search
Improve project show page UI

* Fixes overflow with long description
* Fixes overflow for project with long name
* Fixes overflow for non-retina iPad

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Sort dropdown for Dashboard#projects page

Be default it sorts by name now
Respect filters like scope, label, visibility when do sort or another
filter

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Move project_last_activity to ProjectsHelper

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Compact projects list on dashboard

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Fix 500 for rdoc files

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'feature/dash_projects_sort' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'ui/compact_projects_list' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'bug/500_on_rdoc_readme' of /home/git/repositories/gitlab/gitlabhq
Hide last activity from group projects list

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Mozilla osx font smoothing

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Remove borders for wiki content. Fix wiki history UI

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve typography

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Restyle README section

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>