RF-12889: removed staging repository from buildhive-settings.xml
RF-12745: Resolved the javax.faces.el warnings
RF-12745: get rid of .makeComputingMap, .getNestingForm and SkinFactory.getInstance deprecations
RF-12745: replacing conflicting sisu-guava with guava
RF-12745: removed RendererUtils.getNestingForm(FacesContext, UIComponent)
RF-12890: remove deprecated SessionTopicListener
RF-12747: unignored previously ignored unit tests
RF-12747: replaced RegionTest with ITRegion*/ITExecute* tests
RF-12747: replaced NestedRepeatTest with ITNestedRepeat
RF-12747: fixed AutocompleteRendererTest, DropDownMenuRendererTest and MenuItemRendererTest
updating framework-tests documentation