Fix: API 500 error when project does not exists
Fix overflow of text in the project summary box in Chrome and Safari
Improving grammar. Hat tip Jan Mauritz Faber.
Should be singular.
Updated setup to reference the gitlab-shell var

-Well really it uses what everything else uses -- would be nice to have this as a specific config var

Change-Id: I08cef6080950bf40360b461abd2535ea8890410d
Merge branch 'wording-of-notification-setting' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'more-words' of /home/git/repositories/gitlab/gitlabhq
Added check_redis_version. Fixes #3449

Checking the redis version will warn users that
are using an old version to update. Included
reference to the troubleshooting guide.
change user_spec to pass postgres
Git log follow support
Updated changelog. GitLab 5.1 is beta now
Added os_name support for systems running systemd.
Init Gitlab::Git::Diff class
Remove native git calls from MR. Dump diff as array, not class
Update app code to use Gitlab::Git::Diff
Fix bug when limit or offset passed as string
Warn user about losing merge request diff
Fixed typo s/insues/issues
Added new output information, fixed typo
Fixed redis-cli check function