THe patch updates the importutils module and uses a per-line module
specification instead of the old modules= options.
Change-Id: Ieb28780bb9034fd61942305ff1eec21b3637027a
* A user can access glanceclient.__version__ to get a string
representing the version of the installed library.
* Add openstack-common's 'version' module.
Change-Id: Ib14c561d8ac0b126617a20acfbd5fdb61c54f2c7