UI: CRUD functions & tests for usergroups
fixed: #252 now setUpClass handles the one-time run.
Fixing CLI failures from Hudson automation job.

* Info() method returns a python dictionary (not a list) or None
* Added decorator to TestGlobalParams due to Redmine #3964
Merge pull request #256 from omaciel/fix_cli_tests

Fixing CLI failures from Hudson automation job.
previous one is not the right approach: using self.__class__.<> instead. thanks @omaciel
using create_user from user class
removing __class__.
Merge pull request #253 from gkhachik/issue252

fixed: #252 now setUpClass handles the one-time run.
Fixing logging so that we can get the desired output.

The level for logging is a multiple of 10, where logging.DEBUG == 10
and so on.
Merge pull request #257 from omaciel/fix_logging

Fixing logging so that we can get the desired output.
Updated usergroup tests to use create user method
Updated docstrings
Merge pull request #254 from sghai/usergroup

UI: CRUD functions & tests for usergroups
New Org UI tests
Removed extra linespae