ticket:10128: add bpt max value, implement bpt in uprops.cpp, manually override apostrophe to restore it to Case_Ignorable, test bpt & bpb, fix/disable bidi conformance test

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/markus@33567 251d0590-4201-4cf1-90de-194747b24ca1