Fix #5313 hipchat 0.14.0 to use http_proxy
Simplify upgrade guide based on 6-4 functionality mentioned by Jacob.
Add note for assignee changes

Change to username per @PixnBits suggestion
Instructions should create a merge commit and give people a chance to test the branch we are going to merge.
Update clone panel to use input group.

Use clone panel in `Git Access` section of wiki.
Update the init.d file to the correct locationof the example defaults file
Update the example defaults, include the rest of he variables
Ask people to link bakc and be prepared for feedback.
Instead of working with remotes Dmitriy suggested to use urls.
Since the 22th is fixed we can use absolute dates.
Ordinal numbers do not have the same ordinal.
Made the skype and twitter username clickable

* I was not able to link the linkedin username,
  since linkedin does not provide predictable URLS

* The skype url will start skype, and asks if you want to
  call the particular user.

* The Twitter link will just go to the twitter profile
  of the given user
Fixed modal so it can be closed with ESC

* Fixes: #5343
Merge branch 'dates-are-absolute' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'contributing-expectations' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'need-merge-commit' of /home/git/repositories/gitlab/gitlabhq
Respect default theme settings. Fixed sign-in button on publica page

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

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Fix admin forms UI

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge pull request #6002 from jhollingsworth/feature/clone-panel-twbs3

Update clone panel to use input group.
Merge pull request #6012 from jvanbaarsen/social_clickable

Made the skype and twitter username clickable