Remove unused title parameter.

It is always overridden by to humanized source branch name by
MergeRequests::BuilService, which is used by new_project_merge_request_path.
add sign-in count

add sign-in count to admin section profile view
add HSTS Policy warning

Add warning about HSTS header as it means user will need to provide secure connection access to site for next 24 months from page view. See https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security for more details.
Source repo is now clickable.
Factor issue and edit MR form label field and submit.
Remove test line without effect because no should.
Factor out Emoji parsing using html-pipeline-gitlab
Make hyperlinks out of the links.
Add option to gitlab config to specify if LDAP server is active directory.
Fix attachment upload link bug caused by introduction of zen mode.
Simplify custom MR good commit message hint.
Improve new file commit placeholder.
Improve remove file textarea placeholder.
Titleize blob action buttons.
Replace :erb filter with plain HAML.
Merge branch 'add_active_directory_ldap_option' into 'master'

Add active directory ldap option

Fixes #1557

See merge request !1139
Remove blame lines added leading whitespace.
Update gitlab-shell to v2.0.1.
Update guides to use gitlab-shell 2.0.1.
Update changelog for 7.3.2

Conflicts:
	CHANGELOG