ticket:10017: Fix aliases for listPattern/duration and listPattern/duration-short

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@33650 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10017: Add formatting of durations for non-numeric style only.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@33651 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10017: Added rudimentry support for numeric format, still have to fully implement formatNumeric and fetching duration units from CLDR.

git-svn-id: http://source.icu-project.org/repos/icu/icu/branches/tkeep@33654 251d0590-4201-4cf1-90de-194747b24ca1