RF-13090: Fixed <rich:jQuery> default argument.

If you call a named jQuery function with this fix it will check if there already is an selector defined by the <rich:jQuery> tag. If it already exists he will default to "options" otherwise he will expect the selector to be the default argument.
fixing dependency structure + removing BehaviorStack et all (delegating to RF5) + let UI Core tests pass
fixing UI Common
fixing UI Input
fixing UI Output
fixing UI Iteration
fixing UI Validation
fixing UI DnD
fixing UI Misc
fixing UI Dist
final changes to let the whole build pass
RF-13114: use RichFaces 5.0 core
RF-13930: RF5 renamed RichFaces.$ to RichFaces.component
RF-13936, RF-13147: use jQuery in non-conflicting way and rename all
closures using RichFaces to rf