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

Refactor mr form

* re-use issuable form for new mr page
* small UI improvements to MR compare and new pages

See merge request !616

Small UI improvements to make project sidebar more neat

* make sidebar blocks more compact
* make clone panel smaller for better aspect ratio
* make `forked from` section cleaner

Screenshot:

![Screenshot_2015-05-06_16.42.12](https://gitlab.com/gitlab-org/gitlab-ce/uploads/69723db619ae7ae4d9551f6340d45384/Screenshot_2015-05-06_16.42.12.png)

cc @rspeicher

See merge request !617

Single docker image

See merge request !1805

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

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

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

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

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

Allow to configure smtp and sendmail in gitlab.yml

When use change branches link at MR form - save source branch selection instead of target one

Fix for https://dev.gitlab.org/gitlab/gitlabhq/issues/1800

cc @jacobvosmaer

See merge request !615

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

Fix a trailing new line

The "How to Merge" modal included a trailing new line in the code
block. This commit removes that disfigurement.

Fix missing button types