Add ability to search in issue description and issue comments

 * edit queries in serach context
 * edit template for result
fix for project creation: group projects don't count towards user's project limit
merge into current master
Update ability to search in issue descriptions and comments
Fixes a problem with 'Issues' filter box, where description of the filter says 'Filter by title or description' but in fact filter only works for title and doesn't work for description
Add autofocus and tabindex.
Add the http(s) command lines in the mails for the new origin when a project was moved in an other namespace.
Limit the width of images in emails

This fixes an issue in Mail.app, where large images would expand outside
of the viewport.
Update events helper to also return a URL for notes.

This fixes #304 since it was linking back to the dashboard feed
only as a result of it being given no URL at all for notes.
Update event helper to display target_iid in event title instead of target_id.

The event helper is used extensively within the dashboard atom feed, so by
fixing this, we fixed #303.
Add summaries for notes and merge requests to dashboard feed.

This fixes #305.
Document that we don't want pushed commits to be rebased and give a rationale for many small MR's policy.
Fix for copy paste formatted text
notes count in 1 query for mr and commits
Added update repository size to repository import
Return a little more information in Issue webhook

When a webhook for issues is triggered, it should also return the
resource URL, and the action that was performed (ie: Was it reopened,
updated, opened or closed)
Added an UrlBuilder for building rails named routes

Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>
Apply soft diff limits to MergeRequest#new page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Recommend setup git 2.0 for installation docs

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'fix-new-mr-502' into 'master'

Fix 502 error on new merge request page

When diff is huge we try to render it that cause 502 error often.
After this patch we apply soft limits to diffs. So if diff is huge - we doing show it

Fixes #1323