Added strategy ID + Action Plan syncing

In this changeset, I implemented the logic which cancels
any audit or action plan whose goal has been re-synced
(upon restarting the Decision Engine).

Partially Implements: blueprint efficacy-indicator

Change-Id: I95d2739eb552d4a7a02c822b11844591008f648e

watcher/decision_engine/strategy/context/default.py

@@ -30,9 +30,7 @@ class DefaultStrategyContext(base.BaseStrategyContext):
         super(DefaultStrategyContext, self).__init__()
         LOG.debug("Initializing Strategy Context")
 
-    def execute_strategy(self, audit_uuid, request_context):
-        audit = objects.Audit.get_by_uuid(request_context, audit_uuid)
-
+    def execute_strategy(self, audit, request_context):
         osc = clients.OpenStackClients()
         # todo(jed) retrieve in audit parameters (threshold,...)
         # todo(jed) create ActionPlan