ticket:10934: Synchronized with trunk, initial implementation of tz database name support for ICU4C.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36068 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10934: Fixed some compiler warnings.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36069 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10934: Some bug fixes and tz database abbreviation parse test cases.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36070 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10934: Added a test case formatting a time zone name with TZDBTimeZoneNames.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36073 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Create branch

git-svn-id: http://source.icu-project.org/repos/icu/icu@36075 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Skeleton code only

git-svn-id: http://source.icu-project.org/repos/icu/icu@36077 251d0590-4201-4cf1-90de-194747b24ca1