Allow JIRA to login using email and API token

Closes #49936

See merge request gitlab-org/gitlab-ce!21726

Add documentation on using NFS v4.1 and disabling server delegations

See merge request gitlab-org/gitlab-ce!22379

Resolve "Integrate new vue+vuex code base with new API and remove old haml code"

Closes #50904

See merge request gitlab-org/gitlab-ce!22116

Resolve "In web editor, when delete a file, should navigate to enclosing directory"

Closes #37727

See merge request gitlab-org/gitlab-ce!21465

3. enable jasmine/new-line-before-expect

See merge request gitlab-org/gitlab-ce!22234

Prettify all the things (part 8)

See merge request gitlab-org/gitlab-ce!22258

Prettify all the things (part 1)

See merge request gitlab-org/gitlab-ce!22248

Resolve "Share frontend configs between repos"

Closes #49740

See merge request gitlab-org/gitlab-ce!22405

2. enable jasmine/no-promise-without-done-fail

See merge request gitlab-org/gitlab-ce!22231

For more info, see:

* https://gitlab.com/gitlab-org/gitaly/issues/1339
* https://gitlab.com/gitlab-org/gitlab-ce/issues/52017

Fix "ready for review" link

See merge request gitlab-org/gitlab-ce!22393

Fix commit signature error when project is disabled

Closes #50903

See merge request gitlab-org/gitlab-ce!22344

Resolve "Webhook Image URLs Rewritten Incorrectly in Issues"

Closes #52650

See merge request gitlab-org/gitlab-ce!22361

Prettify all the things (part 6)

See merge request gitlab-org/gitlab-ce!22256

Fixes styling issues in test reports

Closes #51386 and #52147

See merge request gitlab-org/gitlab-ce!22204

Resolve "Project slug does not auto populate in IE11"

Closes #52686

See merge request gitlab-org/gitlab-ce!22367

Verify that usage ping works when all counts time out

See merge request gitlab-org/gitlab-ce!22358

[QA] Handle sign-up when terms must be accepted

See merge request gitlab-org/gitlab-ce!22374

Add IID headers to E-Mail notifications

Closes #52477

See merge request gitlab-org/gitlab-ce!22263

Fixed file templates not clearing in Web IDE

Closes #52487

See merge request gitlab-org/gitlab-ce!22357

Document linguist overriding

See merge request gitlab-org/gitlab-ce!22386

Fixes diff stats not being visible with performance bar

See merge request gitlab-org/gitlab-ce!22390

Disable artifact validation for download action

See merge request gitlab-org/gitlab-ce!22300

Use grpc v1.15.x

See merge request gitlab-org/gitlab-ce!22350

These headers can be used to build URLs for API requests. Good examples
would be Issues and Merge Requests

Update git and install git-lfs QA docker image

See merge request gitlab-org/gitlab-ce!22355

Remove assignee_id=0 condition from search filters, we agreed
that just presence of "ready of review" label is sufficient
for filtering MRs, no need to unassign yourself.

Project::ClustersController spec improvement

See merge request gitlab-org/gitlab-ce!22346