Update mysql client to 5.5.56.

Closes #2311

See merge request !1532

Mattermost site url settings

Closes #2286

See merge request !1531

Update GitLab Mattermost to 3.7.5

See merge request !1520

Add support for various PostgreSQL settings

See merge request !1500

---

Conflicts:
	files/gitlab-config-template/gitlab.rb.template

Remove remaining cp of deb file into the docker image

Closes #2263

See merge request !1506

Use AWS bucket as source of package for Docker builds

Closes #2253

See merge request !1502

Expose trigger_schedule_worker_cron

See merge request !1478

When redis role is provided, don't run other unrelated services.

Closes #2219

See merge request !1498

Package gitlab-elasticsearch-indexer for GitLab EE

Closes #2168

See merge request !1455

"replicate-geo-database" command for gitlab-ctl

See merge request !1451

Try fixing the ffi_yajl not found issue by using a new cache-key

Closes #2186

See merge request !1490

* '9-1-stable' of gitlab.com:gitlab-org/omnibus-gitlab:
  Merge branch 'fix-disabled-service-up' into 'master'

Fix disabled service up

Closes #2245 and #2244

See merge request !1493

Fix disabled service up

Closes #2245 and #2244

See merge request !1493

Fix problem where geo-postgresql database would use the wrong settings in the first install

Closes #2196

See merge request !1466

Use custom opensuse-13.2 build image

See merge request !1491

Bump embedded git version to 2.11

Closes #1903

See merge request !1470

Explicitly include tzdata package in Docker.

Closes #2229

See merge request !1483

Add workaround for Kubernetes 1.6 auth

Closes gitlab-ce#30886

See merge request !1481

Update Prometheus exporters

See merge request !1480

Ensure the configured gitaly_address makes it into the storage repos configuration

Closes #2212

See merge request !1472