Merge pull request #11 from ehaselwanter/master

new gem release for sharing just the integration folder
add metadata.json to tracking

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
add a group for openstack
remove the dependency, we are using the repo itself from now on
use the patched gem from my branch until it gets merged
use the patched test. and I do not know why there was an old reference of the shared tests gem