Fast update can also be done for 6.4.
Forgot to change the title.
Change canonical urls to GitLab Cloud.
Also update links to recipes.
Do not include subtomains in STS header.
Merge branch 'exclude_subdomains_in_header' of /home/git/repositories/gitlab/gitlabhq
Merge branch '6-4-fast-track' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'dogfood'

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Conflicts:
	doc/update/6.0-to-6.4.md
Fix alerts

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Move labels css to gl_bootstrap. Fixed label rendering

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Style admin->projects filter

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Move nav-tabs to gl_bootstrap

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge remote-tracking branch 'mainline/master' into atlassian-crowd