0.7.0-RC1

Enhance mayactl snapshot commands for cas template based provisioning

1. This commit will enhance mayctl snapshot commands create/list/revert to work
   with CAS template based volume provisioning.

2. Add basic integration test for volume snapshot related operations based on
   CAS template based provisioning.

Signed-off-by: prateekpandey14 <prateekpandey14@gmail.com>