return properties of the newly created scaling policy

cloud/ec2_scaling_policy

@@ -91,7 +91,8 @@ def create_scaling_policy(connection, module):
 
         try:
             connection.create_scaling_policy(sp)
-            module.exit_json(changed=True)
+            policy = connection.get_all_policies(policy_names=[sp_name])[0]
+            module.exit_json(changed=True, name=policy.name, arn=policy.policy_arn, as_name=policy.as_name, scaling_adjustment=policy.scaling_adjustment, cooldown=policy.cooldown, adjustment_type=policy.adjustment_type, min_adjustment_step=policy.min_adjustment_step)
         except BotoServerError, e:
             module.fail_json(msg=str(e))
     else:
@@ -118,7 +119,8 @@ def create_scaling_policy(connection, module):
                 connection.create_scaling_policy(policy)
                 policy = connection.get_all_policies(policy_names=[sp_name])[0]
                 module.exit_json(changed=changed, name=policy.name, arn=policy.policy_arn, as_name=policy.as_name, scaling_adjustment=policy.scaling_adjustment, cooldown=policy.cooldown, adjustment_type=policy.adjustment_type, min_adjustment_step=policy.min_adjustment_step)
-            module.exit_json(changed=changed)
+            policy = connection.get_all_policies(policy_names=[sp_name])[0]
+            module.exit_json(changed=changed, name=policy.name, arn=policy.policy_arn, as_name=policy.as_name, scaling_adjustment=policy.scaling_adjustment, cooldown=policy.cooldown, adjustment_type=policy.adjustment_type, min_adjustment_step=policy.min_adjustment_step)
         except BotoServerError, e:
             module.fail_json(msg=str(e))