When using the backup/restore task, GitLab copies the repositories
directory to a place like repositories.old.1493107724. This was
resulting in Git complaining about untracked files. Ignoring
everything starting with repositories solves that issue.

Fixes #207: Updated docs to require ruby 2.3.3

Closes #207

See merge request !271

Signed-off-by: Alex Ives <alex@ives.mn>

Update LICENSE year to 2017

See merge request !251

Add documentation for how to use Prometheus with GDK.

Closes #205

See merge request !266

Pass redis config to workhorse

See merge request !267

Increase CI wait time for `gdk run`

See merge request !269

Update performance metrics rake task and documentation

See merge request !268

Bundle install during reconfigure; DRY

See merge request !265

Adds improvement on mysql how to regarding the mysql server

See merge request !250

Run 'bundle install' and 'npm install' in only one place in the
Makefile, and reorganize so that 'gdk update' and 'gdk reconfigure'
run 'bundle install' + 'npm install'.

prepare.md: Arch Linux: sed /pacman/s/nodejs/npm/

Closes #202

See merge request !262

Increase database pool size from 5 to 6

See merge request !264

On Arch Linux, `npm` is no longer part of the `nodejs` package; update
the list of dependencies to include `npm` instead of `nodejs.

Enable gitaly in development by default

See merge request !261

Some installation fixes for Centos 6

See merge request !260

Fix links in several docs

Closes #153

See merge request !259

This fixes #153.

Make it more friendly for new users by giving a better overview.

See merge request !255

Fix CI pipeline in GDK

See merge request !253