Cleanup of (EE) api settings.md doc

See merge request gitlab-org/gitlab-ee!7208

Resolve "Extract EE specific files/lines for lib/gitlab/email/handler.rb"

Closes #6417

See merge request gitlab-org/gitlab-ee!6975

Fix spacing, typos, add missing settings, and remove deprecated ones.

Update SAST supported language list

See merge request gitlab-org/gitlab-ee!7131

Show secure results on environments page, backend

See merge request gitlab-org/gitlab-ee!6987

Enable `Lint/UselessAssignment` for haml-lint

See merge request gitlab-org/gitlab-ee!7156

CE upstream - 2018-09-01 09:21 UTC

See merge request gitlab-org/gitlab-ee!7165

Add spec to ensure MR diffs are highlighted

Closes #50793

See merge request gitlab-org/gitlab-ce!21410

CE upstream - 2018-09-01 03:21 UTC

See merge request gitlab-org/gitlab-ee!7160

During https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/19766,
several usages of these helper methods were mistakenly changed to
instead assign to a (completely unused) local variable.

When `page_title` was misused, for example, this resulted in the page no
longer having a custom title set.

CE upstream - 2018-09-01 00:21 UTC

See merge request gitlab-org/gitlab-ee!7154

Add default parameter to branches API

Closes #32877

See merge request gitlab-org/gitlab-ce!21294

Move fixture_path out of support/rspec file which is used by fast_spec_helper

Closes #50365

See merge request gitlab-org/gitlab-ce!21240

Allow auth via JWT (always false in CE)

See merge request gitlab-org/gitlab-ce!21038

CE upstream - 2018-08-31 09:21 UTC

See merge request gitlab-org/gitlab-ee!7121

Fix "Confidential comments" button not saving in project hooks

Closes #50440

See merge request gitlab-org/gitlab-ce!21289

Changes update_column to update_attributes in ProjectTreeRestorer#restore_project by using timeless to maintain the current timestamps

Closes #47765

See merge request gitlab-org/gitlab-ce!21242

Remove feature flag from BackgroundMigrationWorker

See merge request gitlab-org/gitlab-ce!21404

Fix git submodule link for subgroup projects with relative path

Closes #37356

See merge request gitlab-org/gitlab-ce!21154

Fixed IDE file row jumping into view on hover

Closes #50751

See merge request gitlab-org/gitlab-ce!21403

Resolve "Persistent banner creates problem for web ide"

Closes #46591

See merge request gitlab-org/gitlab-ce!21283

EE Port (Resolve "Persistent banner creates problem for web ide")

See merge request gitlab-org/gitlab-ee!6923

Prefer From over Sender in Service Desk

Closes #3189

See merge request gitlab-org/gitlab-ee!7006