HTTP headers protect against MIME-sniffing, force https if enabled.
Merge branch 'useful_http_headers' of /home/git/repositories/gitlab/gitlabhq
Use jquery timeago plugin

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Remove unnecessary ago keyword

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'timeago_js' of /home/git/repositories/gitlab/gitlabhq