ticket:10553: Implement context-sensitive capitalization for relative dates (C), add en contextTransforms for test

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34718 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: Merging a new collation performance regression test cases from a branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34721 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10553: Add missing udat_close in cdattst.c TestContext()

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34722 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: Fixed some scripting problems in the new collation regression test on Windows.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@34727 251d0590-4201-4cf1-90de-194747b24ca1