ticket:10154: Optimized time zone historical offset iteration.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@33633 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10047: Copy enumset.h to the appropriate directory when building with MSVC project files


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@33635 251d0590-4201-4cf1-90de-194747b24ca1