fixing group level deployment policy issue and verifying status issue
refining networkpatitioncontext and support dependent scaling in applicaiton monitor

Conflicts:
	components/org.apache.stratos.autoscaler/src/main/java/org/apache/stratos/autoscaler/monitor/component/GroupMonitor.java
fixing group status verification issue
Merge remote-tracking branch 'upstream/master' into new-deplyment-structure