ticket:9101: convert Japanese tailorings to using explicit quaternary relations for Hiragana vs. Katakana; hacks for v1 & v2 code sharing the data

git-svn-id: http://source.icu-project.org/repos/icu/icu@33932 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10222: (C) Update some plural test cases, add better error logging

git-svn-id: http://source.icu-project.org/repos/icu/icu@33933 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10253 Plural Rules, work in progress.

git-svn-id: http://source.icu-project.org/repos/icu/icu@33934 251d0590-4201-4cf1-90de-194747b24ca1