Add edit policies for edit support
Change command field visibility

protected --> private
Fix createControl method.

This method should call setControl() and super.createControl() at the
end of the method
Handle deleting and creating Sections

* Top level sections needs to be deleted and created according to user
* input.
Add/Remove section to/from ModelMapper

If top level section sets its perfcakemodel to null then it removes
its entry from mapper. On the adder hand if it creates its
perfcake model it adds itself to mapper.
Fix JAXB create scenario
Implement IMapperSupport in PerfClipse model
Open editor as file after create scenario in wizard
Add comments to constructor
Enable edit message from messages wizard
Introduce necessary Add wizards
Rename wizard
Add reporter and validator get method in wizard
Introduce Add/Delete selection adapters for table viewers
Add abstract edit selection adapter and its implementation for property