Repo check per shard (EE port)

Closes gitlab-ce#48042

See merge request gitlab-org/gitlab-ee!6287

There is only 1 `HEALTHY_SHARD_CHECKS` used:
Gitlab::HealthChecks::GitalyCheck

So we can simplify code to get the list of healthy shard names.

The RepositoryCheck::DispatchWorker will start a
RepositoryCheck::BatchWorker for each healthy shard.

Closes gitlab-org/gitlab-ce#48042

CE upstream - 2018-06-27 09:22 UTC

See merge request gitlab-org/gitlab-ee!6302

Fixes ESLint failure on master

Closes #6715

See merge request gitlab-org/gitlab-ee!6310

Remove default value for `remote_directory` in pseudonymizer config

See merge request gitlab-org/gitlab-ee!6294

EE port Moves boards components into a .vue file

See merge request gitlab-org/gitlab-ee!6291

Resolve "Hide or disable security reports feedback actions when not authorized"

Closes #6078

See merge request gitlab-org/gitlab-ee!6181

Gitaly metrics check for read/writeability

Closes gitaly#1218

See merge request gitlab-org/gitlab-ee!6205

Resolve "Do not pre-select previous user(s) when creating protected branches"

Closes #6407

See merge request gitlab-org/gitlab-ee!6112

Add note to README about using $CI_COMMIT_REF_SLUG when using forward-slashes

Closes gitlab-ce#48275

See merge request gitlab-org/gitlab-ee!6300

CE-EE parity for spec/models

Closes #6665

See merge request gitlab-org/gitlab-ee!6277

Add Node.js to the languages supported by SAST

Closes #5652

See merge request gitlab-org/gitlab-ee!6301

Client-side fix for Gitaly TreeEntry bug

See merge request gitlab-org/gitlab-ce!20176

Closes #5652

Resolve "Copying ordered list to new comment becomes unordered"

Closes #40484

See merge request gitlab-org/gitlab-ce!18522

Update description_templates.md to fix starter badge

See merge request gitlab-org/gitlab-ee!6199

CE upstream - 2018-06-26 21:21 UTC

See merge request gitlab-org/gitlab-ee!6296

Enable frozen string literals for app/workers/*.rb

See merge request gitlab-org/gitlab-ce!19944

Resolve "Search dropdown hides & shows when typing"

Closes #48461

See merge request gitlab-org/gitlab-ce!20187

Geo depends on FsShard checks to detect failures on shards, but this
isn't needed as Gitaly can report this, and soon its obsolete anyway.

Prior to this change, health checks checked for writeability of the NFS
shards. Given we're moving away from that, this patch extends the checks
for Gitaly to check for read and writeability.

Potentially some dashboards will break, as over time these metrics will
no longer appear as Prometheus doesn't get the data anymore.
Observability in the circuit breaker will be reduced, but its not
expected to be turned on and the circuit breaker is being removed soon
too.

Closes https://gitlab.com/gitlab-org/gitaly/issues/1218

Implement MR diff notes autosave feature

Closes #48300

See merge request gitlab-org/gitlab-ce!20114

# Conflicts:
#	app/assets/javascripts/boards/components/sidebar/remove_issue.vue

[ci skip]

CE upstream - 2018-06-26 15:22 UTC

See merge request gitlab-org/gitlab-ee!6292