Update rubyzip gem to 1.2.2 (CVE-2018-1000544)

Closes #50930

See merge request gitlab-org/gitlab-ce!21460

Feature/new merge breadcrumbs

See merge request gitlab-org/gitlab-ce!21502

Add gitaly_calls to API structured logs

See merge request gitlab-org/gitlab-ce!21496

Merge branch 'docs-50155-user-added-as-a-reporter-can-not-edit-labels-on-merge-requests' into 'master'

Clarify roles with permission to label Merge Requests

Closes #50155

See merge request gitlab-org/gitlab-ce!21166

Add search to group labels page

See merge request gitlab-org/gitlab-ce!21480

fixes breadcrumbs on new issue page. adds link to issues page.

Closes #50209

See merge request gitlab-org/gitlab-ce!21305

Conditional partial rendering for EE in application settings

See merge request gitlab-org/gitlab-ce!21482

Rails 5: include opclasses in rails 5 schema dump

See merge request gitlab-org/gitlab-ce!21416

Migrate job artifacts data from `ci_builds` to `ci_job_artifacts` table (with Background migrations)

Closes #46652

See merge request gitlab-org/gitlab-ce!18615

[QA] Add a new Test::Sanity::Failing scenario that always fails

Closes gitlab-qa#28

See merge request gitlab-org/gitlab-ce!21477

Merge branch '50991-qa-page-shared-clonepanel-should-be-moved-to-page-component-clonepanel-qa' into 'master'

Resolve "[QA] Page::Shared::ClonePanel should be moved to Page::Component::ClonePanel"

Closes #50991

See merge request gitlab-org/gitlab-ce!21479

Restrict reopening locked issues for non authorized issue authors

Closes #39665

See merge request gitlab-org/gitlab-ce!21299

doc/job_traces.md: the file is job.log

See merge request gitlab-org/gitlab-ce!21360

Enable JUnit results for rspec

See merge request gitlab-org/gitlab-ce!21449

Send required object storage PUT headers in /uploads/authorize API

See merge request gitlab-org/gitlab-ce!21319

Fix bugs/edge cases of JUnitParser

Closes #50960

See merge request gitlab-org/gitlab-ce!21469

Rails 5: support schema t.index for mysql

See merge request gitlab-org/gitlab-ce!21485

Fix wording in Danger warning about MRs to non-master

See merge request gitlab-org/gitlab-ce!21493

Unused CSS part exists in mobile CSS framework

Closes #50879

See merge request gitlab-org/gitlab-ce!21439

Set issuable_sort and diff_view cookies to secure when possible

Closes #49120

See merge request gitlab-org/gitlab-ce!21442

Uploads to wiki stored inside the wiki git repository

Closes #33475

See merge request gitlab-org/gitlab-ce!21362

Fix QA ObjectStorage not inheriting from Test::Instance::All

See merge request gitlab-org/gitlab-ce!21494

If it's most of the time, then it's not all.

Disable Web IDE button if user is not allowed to push the source branch.

Closes #45026

See merge request gitlab-org/gitlab-ce!21288

Add artifact information in job API

See merge request gitlab-org/gitlab-ce!21328

Closes #49120

Make cache vs artifacts section more visible, and minor enhancements to text.

See merge request gitlab-org/gitlab-ce!21491

Resolve "Should we still use Flay?"

Closes #44750

See merge request gitlab-org/gitlab-ce!21476