Speperated Filters as an entity.
Cluster and Gauge chart Persistance & Filter
Merge branch 'master' of
https://github.com/senthilkumar2githup/Dashboard.git

Conflicts:
	src/main/java/org/hpccsystems/dashboard/chart/utils/ChartRenderer.java
	src/main/java/org/hpccsystems/dashboard/controller/EditChartController.java
	src/main/java/org/hpccsystems/dashboard/controller/component/ChartPanel.java