Adding missing 'statistic' field to alarm-show
Adding missing 'statistic' field to alarm-show

Closes-Bug: #1225049

Adding missing 'statistic field to printed table with alarm details

Change-Id: I69a743bfa340d4e1193f58c84195db398cbdf02b

citrix-openstack-build/python-ceilometerclient,citrix-openstack-build/python-ceilometerclient