Moved addjob.xml to make examples working
Added job removal example
Added another way of adding a view and example for it
Added nested-view plugin and systest for it

Plus added __contains__ for View
Made views() a property, added safety in case view doesn't have subviews
Chnged views() to views in tests and examples
Merge pull request #147 from lechat/pythonic_views

Changed views() to property views