EUCA-5373 Refactored executing autoscaling action to use the DispatchingClient like autoscaling does, and used the same template to add terminate and stop instance actions
Merge branch 'dev/ethomas/EUCA-5375' into testing, fixed conflict in clc/modules/cloudwatch/src/main/java/com/eucalyptus/cloudwatch/domain/alarms/AlarmManager.java

Conflicts:
	clc/modules/cloudwatch/src/main/java/com/eucalyptus/cloudwatch/domain/alarms/AlarmManager.java