ticket:8550 Dictionary Break Iterator, work in progress.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35548 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10797: Merged a fix for a genrb problem allocating unnecessary collation rule string space in the binary data (#10810/r35544) from trunk.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35549 251d0590-4201-4cf1-90de-194747b24ca1