Added parent, label & desc support for orgs
Fixed test_positive_create_2 for ddt
Merge branch 'master' into orgs-label

Conflicts:
	robottelo/ui/org.py
generates random names for desc and label
Updated org tests for label and desc
using assertEqual & assertNotEqual instead of assertTrue
Merge pull request #555 from kbidarkar/orgs-label

Added parent, label & desc support for orgs