Fixed string interpolation issue with manifests.py.

String interpolation for a debug message was missing a '%' sign. Also
added docstrings and fixed some indentation issues.
Merge pull request #237 from omaciel/fix-manifet-module

Fixed string interpolation issue with manifests.py.
Merge pull request #238 from tkolhar/master

Added sc_param info tests
Add decorator to skip tests based on Redmine

* Add decorator to skip tests related to Redmine's issues status
* Fix some PEP8 for decorators module
Merge pull request #239 from elyezer/master

Add decorator to skip tests based on Redmine
Replaced ' ' with 'None'
Merge pull request #242 from sthirugn/factoryfix

Replaced ' ' with 'None' in factory module
Fixing a few tests and locators.
Updated resources CRUD with update function
Proceed with updating only if search successful
Merge pull request #243 from blrm/hostgroupfix

Fixes for Hostgroup, OS, and User tests
Fixed PEP8 line too long warning.
Merge pull request #240 from tkolhar/master

Fixed the sc_param test
roles changes
Merge pull request #249 from sghai/roles

UI: CRUD fn for roles
Merge pull request #245 from kbidarkar/fix-issues

Updated resources CRUD with update function
Added exceptions to update & delete functions
UI: CRUD functions & tests for usergroups
fixed: #252 now setUpClass handles the one-time run.
Merge pull request #250 from kbidarkar/fix-update-func1

[Master corrupted on JAN 03] Proceed with updating only if search successful