fix tests
update gitlab:check to look for update hook, not post-receive
Standardize commit diff api url, change blob api url, add get single commit

Use "/commits/:sha/diff" as opposed to "/commit/:sha", keeping in line
with existing api urls (e.g. "/projects/:id", etc.)

Fix 500 error resulting from a diff api call with an invalid commit hash

Move "/commits/:sha/blob" to "/blobs/:sha", leaving the old path for
backwards compatibility.

Add ability to get a single commit via "/commits/:sha"
Fix s500 when press ervice test button
More entries to 6.1 CHANGELOG
Invalidate events cache when project was moved
Fixed up wording on the new SSH key page.
Merge pull request #4924 from jameswritescode/update_check_to_verify_update_hook

update gitlab:check to look for update hook, not post-receive
Merge pull request #4939 from fintler/key_gen_help_typo

Fixed up wording on the new SSH key page.
Merge pull request #4906 from alexvh/standardize_diff_api_url

Standardize recently added commit diff api url
Update sidekiq and redis-rails
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Merge branch 'feature/reset_event_cache' of /home/git/repositories/gitlab/gitlabhq
Minor UI fix
Dont update namespace if User name was changed. Use user#username for namespace name because Namespace#name validates by uniq
List groups on Dashboard#projects page
Remove colon