Removing status from Cluster and adding to ClusterInstance
Adding instance list for Application and Group.
Fixing NPE in PojoConverter
Cleaned up code, removing unused methods
Improving the scaling drools file
Fix instances calculation issue
Uncommenting scaling drools
fixing undeployment issue and nested group handling
fixing clean up for member
fixing the removal of application when undeploy it
fixing concurrent modification issue and destroying cluster monitor upon the termianted event
fixing group terminating calculation issue
Setting averageRequestServedPerInstanceReset correctly
Fixing property conversion and updating debug logs in VMClusterContext
Refactoring the REST api
Removed all commited out methods
Merge branch '4.1.0-test' of https://git-wip-us.apache.org/repos/asf/stratos into 4.1.0-test
This closes #144

Merge branch 'api_test' of https://github.com/shirolk/stratos into 4.1.0-test
fixing group status calculation
Fixing algorithm name in scaling rule and adding a info log