Fixes for changes to border, minor cleanup
Removed own implementation of TabbedPanel
removed one unused component in the border hierarchy
wicket:component -> wicket:container
Borders and frames have now a new wrapper, changing most the component paths which are asserted on
Misc minor migration fixes
path issues due to border
removed the css links in the markup, using CssResourceReference instead of PackageResourceReference
minor migration fixes
cache id was not set in test