ticket:9101: parse UCA 6.3/CLDR 24 FractionalUCA.txt, better weight/CE parser

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/markus@33119 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: UCA 6.3/CLDR 24 collation root preliminary data files

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/markus@33123 251d0590-4201-4cf1-90de-194747b24ca1