added required rb-readline dependency
RFPL-2962: link to latest 5.0.x vdldoc/javadoc
RFPL-2963: documenting usage of richfaces-push-depchain
RFPL-2965: fixed pairing tag for r:inplaceSelect sample
RFPL-2806: updated rich:inputNumberSlider picture so that it doesn't show horizontal usage
RFPL-2968: updated Guava version to 13.0.1 in docs
RFPL-2964: fixed packages for PushServlet and ResourceServlet
RFPL-2868: picture for editor's sample for richfaces skin on wrong path