Add 'repeat_actions' property for OS::Ceilometer::Alarm

The default value is maintained : repeat_actions=False
Require python-ceilometerclient>=1.0.3

Fixes bug #1223347

Change-Id: I010b6555311e9e34b095d9216cf1c5873e244cc4
Merge "Add 'repeat_actions' property for OS::Ceilometer::Alarm"