Renaming of "xlog" to "wal" for PostgreSQL 10

See merge request gitlab-org/gitlab-ee!4669

Adds Vuex store for security reports

See merge request gitlab-org/gitlab-ee!5155

* master: (171 commits)
  EE port of vuex-action-helper-correctly-fail
  Update CHANGELOG.md for 10.6.2
  Update CHANGELOG-EE.md for 10.6.2-ee
  Fix workhorse tests
  Gitlab-workhorse still needs RepoPath on Git HTTP
  Harmonize can-attach-file to match CE
  Add Gitlab::ExclusiveLease to ObjectStorage#use_file
  Fix promoting labels and milestones copy text
  QA: allow rspec files/options to be handled more consistently
  Replaces "Libre" => "Core"
  Be explicit about when yellow favicon is used
  Use a brand-new Repository when performing Geo sync to a temporary directory
  Remove EE-specific comments from CE
  Trigger wiki sync when enabled
  Fixes conflicts on 'lib/gitlab/ci/config.rb'
  Resolve conflict in spec/spec_helper.rb
  Resolve "Skip repository-changing events on Geo secondaries if the repository hasn't been backfilled yet"
  Make all workhorse gitaly calls opt-out, take 2
  Revert "Merge branch 'workhorse-gitaly-mandatory' into 'master'"
  Resolve application settings UI conflicts after ce-to-ee merge
  ...

EE port of vuex-action-helper-correctly-fail

See merge request gitlab-org/gitlab-ee!5162

[ci skip]

[ci skip]

Port of add-per-runner-job-timeout to EE

See merge request gitlab-org/gitlab-ee!4649

Add Gitlab::ExclusiveLease to ObjectStorage#use_file

See merge request gitlab-org/gitlab-ee!5158

CE upstream - 2018-03-28 12:06 UTC

Closes #5461

See merge request gitlab-org/gitlab-ee!5145

Fix promoting labels and milestones copy text

See merge request gitlab-org/gitlab-ee!4955

Add canary favicon -- EE merge edition

See merge request gitlab-org/gitlab-ee!5135

Harmonize can-attach-file to match CE

Closes gitlab-ce#43915

See merge request gitlab-org/gitlab-ee!5067

Docs: replaces "Libre" => "Core"

See merge request gitlab-org/gitlab-ee!5152

QA: allow rspec files/options to be handled more consistently

See merge request gitlab-org/gitlab-ee!5144

Resolve "Temporary repositories in Geo sync download are broken"

Closes #5485

See merge request gitlab-org/gitlab-ee!5150

Remove EE-specific comment markers from CE -- EE merge edition

See merge request gitlab-org/gitlab-ee!5151

Move 'Registry' after 'CI/CD' navigation item  (EE Port)

See merge request gitlab-org/gitlab-ee!5142

Conflicts:
	app/views/ci/variables/_variable_row.html.haml
	app/views/import/github/new.html.haml
	app/views/projects/new.html.haml
	app/views/shared/_import_form.html.haml
	spec/javascripts/fixtures/projects.rb

Geo: Trigger wiki sync when enabled

Closes #5422

See merge request gitlab-org/gitlab-ee!5139

Move the API project import files ee/lib -> lib

See merge request gitlab-org/gitlab-ee!5132

Improve Gitlab::Git::Checksum#calculate

See merge request gitlab-org/gitlab-ee!5140