Adds badge to show number of vulnerabilities

* master: (102 commits)
  Refactor DR docs
  Remove unneeded images from old Geo docs
  Point to final doc location
  Use exec_query wrapper for ProjectAuthorization.roles_stats
  [Geo] Add logging when create a temporary repository
  Docs: Update all articles with the new layout (metadata from the frontmatter)
  Avoid slow File Lock checks when not used
  Fix Error 500 when viewing a commit with a GPG signature in Geo
  Remember assignee when moving an issue
  Add changelog entry
  Allow oxford commas and spaces before commas in MR issue closing pattern.
  Don't cache a nil repository root ref to prevent caching issues
  Merge branch '43345-spec-requests-api-project_import_spec-rb-fails' into 'master'
  Add back database changes for Ci::Build
  Revert "Merge branch 'expired-ci-artifacts' into 'master'"
  Fix order dependencies in some specs
  migrate admin:users:* to static bundle
  correct for missing break statement in dispatcher.js
  alias create and update actions to new and edit
  migrate projects:merge_requests:edit to static bundle
  ...

Resolve "Count of users by role in admin"

Closes #4920

See merge request gitlab-org/gitlab-ee!4539

[Geo] Add logging when create a temporary repository

See merge request gitlab-org/gitlab-ee!4594

Move ee-files-location-check to the test stage

See merge request gitlab-org/gitlab-ee!4580

Separate Disaster Recovery docs from Geo docs

Closes #1989

See merge request gitlab-org/gitlab-ee!4511

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

[EE MR] Avoid slow File Lock checks when not used

See merge request gitlab-org/gitlab-ee!4548

Docs: Update all articles with the new layout (metadata from the frontmatter)

See merge request gitlab-org/gitlab-ee!4581

CE upstream - 2018-02-19 09:24 UTC

Closes #4825

See merge request gitlab-org/gitlab-ee!4592

Also avoid double commit lookup during file lock check by reusing
memoized commits.

Fix Error 500 when viewing a commit with a GPG signature in Geo

Closes gitlab-ee#4825

See merge request gitlab-org/gitlab-ce!17207

Remember assignee when moving an issue

See merge request gitlab-org/gitlab-ce!17116

Sanitize extra blank spaces used when uploading a SSH key

Closes #40552

See merge request gitlab-org/gitlab-ce!17138

Closes gitlab-org/gitlab-ee#4825

Related to #41949

CE upstream - 2018-02-18 06:29 UTC

See merge request gitlab-org/gitlab-ee!4587

Update issue closing pattern to be more forgiving

Closes #17500

See merge request gitlab-org/gitlab-ce!17198

CE upstream - 2018-02-17 16:53 UTC

See merge request gitlab-org/gitlab-ee!4586

Revert "Merge branch 'expired-ci-artifacts' into 'master'"

See merge request gitlab-org/gitlab-ce!17193

CE upstream - 2018-02-17 09:44 UTC

See merge request gitlab-org/gitlab-ee!4584

CE upstream - 2018-02-17 06:13 UTC

See merge request gitlab-org/gitlab-ee!4583

Don't cache a nil repository root ref to prevent caching issues

See merge request gitlab-org/gitlab-ce!17179

CE upstream - 2018-02-16 15:23 UTC

Closes gitlab-ce#42939

See merge request gitlab-org/gitlab-ee!4579

Resolve "spec/requests/api/project_import_spec.rb fails"

Closes #43345

See merge request gitlab-org/gitlab-ce!17184