UF-27: creating  ActivityBeansCacheTest
UF-creating  ActivityBeansCacheTest, SimplePanelPresenterTest, SimpleWbPanelViewTest
UF-27: clean-up on pom dependencies (gwt mockito)
UF-27: creating SimpleWorkbenchPanelPresenterTest test structure and a simple test
UF-27: creating ListBarWidgetTest
UF-27: creating StaticWorkBenchPanelViewTest
UF-27: creating MultiTabWorkbenchPanelViewTest and MultiListWorkbenchPanelTest
UF-27: creating VerticalSplitterPanelTest
UF-27: creating HorizontalSplitterPanelTest
UF-27: creating WorkbenchMenuBarViewTest
Merge branch 'master' of github.com:ederign/uberfire: rebasing commits