It adds a dropdown to the right of merge request version dropdown and
allow you to choose older version for compare. Once clicked it will take
user to compare page with older and newer versions sha pre-filled
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Add test for closed MR without fork

Add view test visibility of Reopen and Close buttons

Fix controller tests and validation method

Fix missing space

Remove unused variables from test

closed_without_fork? method refactoring

Add information about missing fork

When closed MR without fork can't edit target branch

Tests for closed MR edit view

Fix indentation and rebase, refactoring

We just need to get merge requests closes issues when 
we’re going to show them

This is required since we parse URI later and remove the credentials

Also adds a spec for MergeRequestHelper to avoid having a regression
later on.

Previous title would only show the group name, which could be confusing.

Closes #2875

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

This reverts commit 5daf44b7, reversing
changes made to 2f706fbd.

This reverts commit 4773f38e, reversing
changes made to 0d5d80b7.

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

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

Make the following changes to deal with new behavior in Rails 4.1.2:

* Use nested resources to avoid slashes in arguments to path helpers.

It is always overridden by to humanized source branch name by
MergeRequests::BuilService, which is used by new_project_merge_request_path.

It allows easier contribution of different CI services
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Ex. if branch named "refactor-models" then title will be "Refactor models"
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>