appbuilder: implementa construçao de ExpandBar.

Signed-off-by: Francisco Prates <mad.kanie@gmail.com>
appbuilder: torna getExtendedContext() em AbstractViewConfig flexivel.

Signed-off-by: Francisco Prates <mad.kanie@gmail.com>
appbuilder: suporte a conversao de dados para addTableItems().

Signed-off-by: Francisco Prates <mad.kanie@gmail.com>