Added savanna.py
import
Added import
Merge branch 'master' of https://github.com/sergeygalkin/fuel-ostf-tests

Conflicts:
	fuel_health/savanna.py
Merge branch 'master' of https://github.com/sergeygalkin/fuel-ostf-tests

Conflicts:
	fuel_health/savanna.py
Added test_sanity_savanna.py
Switch to nmanager and savannaclient
Fix in _list_cluster_templates
Added test - create node group template with hard coded parameters (draft)
Added deleting node group templates (draft)
Switch to savanna.py
Deleted all savanna from nmanager.py
Added Test create/list/delete Savanna node group templates
Added Test create/list/delete Savanna node group templates
Added Test create/list/delete Savanna node group templates
Resolved comments, added tearDownClass
Finished add all 10 steps for Savanna
Small fix in test_sanity_savanna.py
Added savanna to config.py
Removed hardcode for savanna url