Show build coverage in MR

![Screenshot 2014-10-02 18.20.53](https://dev.gitlab.org/uploads/dzaporozhets/gitlabhq/a8ff7b23bd/Screenshot_2014-10-02_18.20.53.png)

See merge request !1148

Fix 500 admin user page

See merge request !1147

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>

Conflicts:
	CHANGELOG

Missing omnibus update links in help/update

I took the liberty and refactored it a little. Open issue https://gitlab.com/gitlab-org/omnibus-gitlab/issues/269

Here is a screen

![gitlab_update_page](https://gitlab.com/uploads/axil/gitlab-ce/0395154f23/gitlab_update_page.png)

See merge request !202

Gitlab flow edit

Changed GitHub Flow links

See merge request !201

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

Conflicts:
	app/views/projects/merge_requests/_form.html.haml

Fail harder in the backup script

See merge request !1143

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

Improve new file commit message textarea placeholder.

Remove blame lines added leading whitespace.

Replace :erb filter with plain HAML.

Factor out Emoji parsing using html-pipeline-gitlab

Fix selecting them upload

Related to https://gitlab.com/gitlab-org/gitlab-ce/commit/58c0a4f5cf27f76f1dc0474197b8aca06b6db12d#note_293570

See merge request !198

Simplify custom MR good commit message hint.

Packages in readme

See merge request !1144

Titleize blob action buttons. [failure unrelated]

Move group feature step to match test location [failure unrelated]

This change also shows the output of failed Git commands during the
backup.

GitLab Flow Graphic

As requested =)

/cc @mvb

See merge request !199