ticket:11002: Unicode 7.0 final IdnaMappingTable

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@36020 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10912: create Collator from binary: support length<0 again, and document that the base collator is required (see ticket #10517)

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@36021 251d0590-4201-4cf1-90de-194747b24ca1