Geo: Replicate keep around refs

Closes #7245

See merge request gitlab-org/gitlab-ee!6922

Resolve "EE specific project_spec"

Closes #7361

See merge request gitlab-org/gitlab-ee!7003

Geo: Resolve sticky failures when attachments are missing on primary

Closes gitlab-com/migration#458

See merge request gitlab-org/gitlab-ee!6991

Compress all PNG images under doc/

See merge request gitlab-org/gitlab-ee!6960

The pngquant tool was used https://pngquant.org, and particularly, the
following command:

        /usr/bin/pngquant -f --skip-if-larger --ext .png --speed 1 image.png

Before: 47584K
After : 34924K

So consumers don’t need to know about `source`.

CE upstream - 2018-08-27 09:23 UTC

See merge request gitlab-org/gitlab-ee!6998

[EE-port] Reject ruby interpolation in externalized strings

See merge request gitlab-org/gitlab-ee!6988

Add group name badge under group milestone

Closes #49292

See merge request gitlab-org/gitlab-ce!21384

Fix fallback logic for automatic MR title assignment

See merge request gitlab-org/gitlab-ce!20930

CE upstream - 2018-08-26 21:21 UTC

See merge request gitlab-org/gitlab-ee!6997

Rails5 update Gemfile.rails5.lock

See merge request gitlab-org/gitlab-ce!21388

CE upstream - 2018-08-26 18:21 UTC

See merge request gitlab-org/gitlab-ee!6996

Removes disabled rule from settings_panel EE to match the CE version

Closes #7346

See merge request gitlab-org/gitlab-ee!6989

Bitbucket Server importer: Eliminate most idle-in-transaction issues

See merge request gitlab-org/gitlab-ce!21173

CE upstream - 2018-08-26 15:21 UTC

See merge request gitlab-org/gitlab-ee!6994

Use slugs for default project path and sanitize names before import

See merge request gitlab-org/gitlab-ce!21367

Rails5 fix project import spec

See merge request gitlab-org/gitlab-ee!6981

Just like with the GitHub importer, the Bitbucket Server importer can hit the
default 60 s idle-in-transaction timeouts if it takes too long to create the
merge request. We solve this by using the same approach as the GitHub importer:

1. Bypass all validation and hooks in creating a merge request
2. Insert the Git data in a separate transaction

Part of #50021

CE upstream - 2018-08-26 09:21 UTC

Closes #6028

See merge request gitlab-org/gitlab-ee!6990

# Conflicts:
#	app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue

[ci skip]

Show `< 1%` when percent value evaluated is less than 1 on Stacked Progress Bar

Closes gitlab-ee#6028

See merge request gitlab-org/gitlab-ce!21306

[QA] Re-add Test::Instance for back-compatibility with GitLab < 11.3

See merge request gitlab-org/gitlab-ce!21339

Add Test plan issue template

See merge request gitlab-org/gitlab-ce!21227

EE Port (Resolve "Follow up to "Styling of the MR widget's info and pipeline sections"")

See merge request gitlab-org/gitlab-ee!6921

Resolve "Follow up to "Styling of the MR widget's info and pipeline sections""

Closes #49110

See merge request gitlab-org/gitlab-ce!21206