Add button for removing source branch for merged MR's.
allow using the user's email address as a http parameter in gravatar urls for custom avatar systems. For example:
plain_url: "http://avatar.company.com/avatar/?mail=%{email}&size=%{size}"
Temporary fix for #4305: Cant preview attached png images on notes; attachment.secure_url returns an url which is accessible
Fix extra space added in beginning of commit message

Removes extra space in merge commit messages. This seems to have been
introduced by the functionality added in 38d8d749d which allows a user
to change a merge commit message.
Add support for relative submodules
fixed regex to match url pointing to a user repo
simplify link url
Merge remote-tracking branch 'upstream/master' into fix-4305
Merge branch 'master' into request/relative_submodules

Conflicts:
	CHANGELOG
Merge branch 'master' into request/relative_submodules

Conflicts:
	CHANGELOG
Only one link per email to prevent clicking the wrong one.
Disable compression to prevent BREACH attack

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Reduce the number of times people send emails or file issues out of the blue.
Update gitlab_git and gitlab-grit gem versions

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Ask for small feature requests.
 Merge branch 'small-feature-requests' into 'master'

Small feature requests

/cc @dzaporozhets
Explain how existing users can enable LDAP
 Merge branch 'doc/ldap' into 'master'

Explain LDAP activation for existing users
 Merge branch 'gems-bump' into 'master'

Update gitlab_git and gitlab-grit gem versions
 Merge branch 'deduplicate-help' into 'master'

Deduplicate help