ticket:10815 Regex error handling, create development branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36236 251d0590-4201-4cf1-90de-194747b24ca1
ticket:11101: Create branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36240 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Remove branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36241 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Remove branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36242 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Remove branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36243 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Remove branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36244 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8951: Work in progress.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36245 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8951: Merged updates from trunk

git-svn-id: http://source.icu-project.org/repos/icu/icu@36246 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10815 regex error status handling improvements, work in progress.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36247 251d0590-4201-4cf1-90de-194747b24ca1