Addresses internal https://dev.gitlab.org/gitlab/gitlabhq/issues/2605

See https://github.com/tinfoil/devise-two-factor/pull/43

Fix IssuableContext javascript

We were calling `affix` before the events were bound so they never
triggered correctly.

Closes #2597

See merge request !1356

We were calling `affix` before the events were bound so they never
triggered correctly.

Closes #2597

Remove API calls CE->CI



See merge request !1307

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

Fix typo in Reply by email docs

See merge request !1346

Fix CI status in the MR page

https://gitlab.com/gitlab-org/gitlab-ce/issues/2587

See merge request !1347

Add pg_schema to backup config

https://dev.gitlab.org/gitlab/gitlabhq/issues/2489

See merge request !1345

Allow to disable GitLab CI

Added simple config option to disable GitLab CI

It makes all CI related requests to return 404

/cc @dzaporozhets @jacobvosmaer @vsizov

See merge request !1340

Allow custom info to be added to Help page

Fixes #2536

**Admin screen**

![image](https://gitlab.com/jeroenvanbaarsen/gitlab-ce/uploads/e62f3e0ff40558fb955f09e469293521/image.png)

**Text on the Help page**

![image](https://gitlab.com/jeroenvanbaarsen/gitlab-ce/uploads/ba315fb418e1698d8f44b88c7cc6c29a/image.png)

/cc @DouweM

See merge request !1309

Fix 500 when accessing private project when not logged in



See merge request !1336

Fix 500 on trending projects if isntance has 100k+ projects

Fixes #2576 
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

See merge request !1341

Remove Cancel button from CI Project settings

Resolves https://gitlab.com/gitlab-org/gitlab-ce/issues/2568

See merge request !1337

Project header titles

Fixes my issues with !1293, see [my comment](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/1293#note_2112289):

> No please, not this huge if/else statement again! This will get out of sync so quickly, like happened with the original page titles before the page_title helper per page :(

cc @haynes 

See merge request !1328

Fix: ci projects order

https://gitlab.com/gitlab-org/gitlab-ce/issues/2553

See merge request !1333

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

Fixes #2536
Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>

Note about global keys

Because of tweet https://twitter.com/ChoboIslah/status/639565184806309888

See merge request !1931

Remove CI help

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/2556

See merge request !1325

Move partial locals out of controller

Some minor cleanup for upload/replace functionality: move controller variables into partial locals.

See merge request !1331

add repository field to issue hook data

Integrate CI navigation more tightly with project

![Screen_Shot_2015-09-17_at_09.51.56](https://gitlab.com/gitlab-org/gitlab-ce/uploads/013807ad9f89a35a4af988199c2ee92f/Screen_Shot_2015-09-17_at_09.51.56.png)
![Screen_Shot_2015-09-17_at_09.52.14](https://gitlab.com/gitlab-org/gitlab-ce/uploads/8f9bdaafeef62fa451ee3699f003cbc4/Screen_Shot_2015-09-17_at_09.52.14.png)
![Screen_Shot_2015-09-17_at_09.52.07](https://gitlab.com/gitlab-org/gitlab-ce/uploads/cb726bf0651ddb74c10fd7bae9a333fb/Screen_Shot_2015-09-17_at_09.52.07.png)

/cc @dzaporozhets

See merge request !1324