Closes #6069

See https://groups.google.com/forum/#!msg/rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ
and https://groups.google.com/forum/#!msg/rubyonrails-security/ly-IH-fxr_Q/WLoOhcMZIAAJ

In an effort to get the JS file size down, i've removed NGProgress and replaced with TurboLinks own loading indicator

Ref #13820

This reverts commit 53176717.

Conflicts:
	Gemfile.lock

Closes #13218

gitlab_git 8.1 adds the ability to count the amount of commits between
two references without having to allocate anything but regular
Rugged::Commit objects. This in turn speeds up the process of counting
the number of commits a branch is ahead/behind by about 3.5x.

Currently any spam detected by Akismet by non-members via API will be logged
in a separate table in the admin page.

Closes #5612

Closes https://github.com/gitlabhq/gitlabhq/issues/9265

https://docs.newrelic.com/docs/agents/ruby-agent/frameworks/grape-instrumentation

See https://dev.gitlab.org/gitlab/gitlabhq/issues/2643

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

Closes #2877

It patches core classes (such as String) to add colorization methods
like `red` which we can't disable the same way we can with the
Colorization gem.

Closes #4231

Also sorts them alphabetically, because OCD.

Closes #5908