ticket:10144: Updated tzdata to 2013c.

git-svn-id: http://source.icu-project.org/repos/icu/icu@33599 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: start CollationBuilder: declaration, data structure comments, wiring

git-svn-id: http://source.icu-project.org/repos/icu/icu@33601 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10051 InitOnce and Mutexes, work in progress.

git-svn-id: http://source.icu-project.org/repos/icu/icu@33602 251d0590-4201-4cf1-90de-194747b24ca1