Changing the tables to use jface's tables instead of nattable.
Added a filter to the tables.
Code formating
Merge branch 'PredicateDev' of https://github.com/aradouan/ReqCycle into PredicateDev

Conflicts:
	plugins/org.eclipse.reqcycle.predicates.ui/src/org/eclipse/reqcycle/predicates/ui/components/RightPanelComposite.java
Merge branch 'master' of https://github.com/aradouan/ReqCycle into PredicateDev