Add images & image repositories

Add initial support for images & image repositories.

Add registry webhook to support adding images and tags
to image repositories when a registry's image repository
is updated.
Fixing typo
Merge pull request #45 from ncdc/images

Merged by openshift-bot
Disable coverage for Travis + go tip
Merge pull request #64 from ncdc/disable-coverage-travis-go-tip

Disable coverage for Travis + go tip
Implement TemplateConfig endpoint

Adds TemplateProcessor implementation using the default
ExpressionValueGenerator, which is capable of transforming
Template api objects into Config api objects.

Authors:
  Michal Fojtik <mfojtik@redhat.com>
  Vojtech Vitek <vvitek@redhat.com>
Simple Tour of OpenShift
Unified tests run commands. Removed coverprofile, if needed can be added manually.
Merge pull request #41 from mfojtik/templateConfig

Merged by openshift-bot
Merge pull request #62 from soltysh/tests

Merged by openshift-bot
Merge pull request #60 from smarterclayton/tour

Merged by openshift-bot
Merge pull request #63 from danmcp/master

Merged by openshift-bot
Correct ImageRepository tagging

Correct the ImageRepository's tag value to be the ID of the Image
instead of the Image's DockerImageReference.
Merge pull request #67 from ncdc/fix-repo-tagging

Merged by openshift-bot