Fixing missing arguments in debug logs in  HealthEventMessageDelegator.java
adding missing argument printing in NetworkPartitionContext.java
Changing getInstance() synchronization way.
Adding  instance data holder class for cloudcontrollerclient.
 adding instance data holder to PolicyManager.
removing serializability  from the network partitioncontext and partition context since it is not serialized.
Adding deactivate method to Auto Scaler server component
fixing findbug issues on toString methods
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos