Merge pull request #4606 from chaixl/master

Add assets precompile step for fixing activities lost and some UI style issues
Improve grammar of label hints
Fix notifications to handle participants and mentions on commits too
Adding links to the merge requests and group documentation.
Merge pull request #4619 from thomasbiddle/merge_request_api

Adding links to the merge requests and group documentation.
Added show user name as a tooltip on every call to link_to_member when the name is not shown inline
Show tooltip with author email for commit
Merge pull request #4634 from jacargentina/master

Added show user name as a tooltip on issue participants list
fix typo
Remove unecessary %br in help area
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Public area: Project#show page prototype
Merge pull request #4651 from mahmouds/patch-1

fix typo
Remove reference to broken auth icon functionality
Fix typos
Merge pull request #4660 from jojosch/fix-typos

Fix typos
Show autocomplete list when editing notes.
Render readme file in public project#show
Fix hardcoded condition and unassigned vars
Public area spinach tests