getting user keys publically through http without any authentication, the github way. E.g: http://github.com/devaroop.keys
getting user keys publically through http without any authentication, the github way. E.g: http://github.com/devaroop.keys

changelog updated to include ssh key retrieval feature update
add rake gitlab:import: all_users_to_all_groups and user_to_groups

I opted for admins to be added as "owners" instead of "masters" because project masters can managers members, but only group owners can manage members.
Fix numbering in 6.3-to-6.4.md
Unify markdown syntax for Bash commands
use the iid to generate the link_to_merge_request_diff_line_note instead of id
Reword upgrade -y comment, improve layout and allow just y.
Fix 500 error in Ruby 1.9.
Better submodule links.

Detect if submodule is hosted on this GitLab server, gitlab.com or github.com.
Hash links directly to commit in repo.
adding tests for the ssh keys feature
merge with upstream master
sync with upstream for ease to merge
Update Gemfile
Update Gemfile.lock
update manual error in changelog while merging
Replace badge to labels, because twbs3 doesn't supprot colored badges
Update upgrade guide if you have more than one backup .tar file
Show avatars of groups on profile screen that user belongs to
Uniform description.
Also change the description in the help.