Cleanup showcase pages in progress, not working yet
Cleanup showcase pages in progress(some component's pages not implemented yet)
TabSheetRenderer fix to avoid left navigationbar removing by not enough specified JQuery selector
Clean up example project

remove unused classes + refact to have AbstractViewWithNavBar
ShowcaseConextMenuView added
merged with master
persistence xml removes
Merge remote-tracking branch 'origin/master' into 28_Cleanup_showcase_pages
Merge pull request #47 from Doctusoft/28_Cleanup_showcase_pages

#28 cleanup showcase pages first step finished