Smoketest for nova was modified following new features added:
1. Cinder volumes creation test
2. Cinder volumes instances related actions tests : attach\access from instance to partition\detach
3. Snapshots creation, volume creation from snapshot
4. Cleanup procedure for objects created\modified during mentioned test
Nova smoketest was expanded with following functions:

Cinder-volume tests:
1. Create volume
2. Volume List (with tests if created volume is in "available" state)
3. Volume attach (with tests if it accesible from vm)
4. Volume detach
5. Volume snapshot
6. Test volume created from a snapshot (list\convert to volume)
7. Check availability of volumes created from snapshots, from inside of guest OS
8. Remove snapshots and parent volumes
Fixing minor typos
Update 00-deploy-nova-vm.test

Fixing typos
Nova smoketest further modifications, following tests added:

9. Create a snapshot from vm instance
10. Boot from snapshoted instance-volume(with tests if it accesible from vm)
  - Check nova status of a new instance (Done)
  - Ping  a new instance (Done)
  - SSH test (In progress)
a lot of cinder smoketests with description
Fixed minor typos.
"Create volume from image" test added
Comments trimmed
Merge pull request #172 from MirantisDellCrowbar/feature/DCB-117/release/pebbles/pull-req

a lot of cinder smoketests with description