Error now thrown when deserializing highlights if class applier is not found (issue 186)
Error now thrown when deserializing highlights if class applier is not found (issue 186)

git-svn-id: e20c3770943bf9282ee75d542abcfc61c4d7d05e@805 88e730d5-b869-a254-3594-6732aba23865

GerHobbelt/Rangy,ovgu-ttz/rangy,GerHobbelt/Rangy,svn2github/rangy,svn2github/rangy