Added ability to use groups api -  more tests needed before pul request
Added create_project_for_user

-Adds create_project_for_user, not sure if the naming convention here is that great, but i think it's sufficient for now

GIT-1975 (GIT-1972)
Merge branch 'master' of http://github.rim.net/GitLab-Development/gitlab-api-client
Added transfer_project_to_group/unit test

-Added api calls for transfering a project to a group

GIT-2027, (GIT-1972)
Had a bug with the post protocol

erroniously called group.id group_id in the body of the message when it is supposed to be id

GIT-1972
create_group path optional, added optional owner

Modified the Gitlab::create_group
-now has optional path (instead of required)
-can specify optionally specify owner