ticket:11303: Fix formatAndReplace() bug from Markus' review. A pattern like {0} and {0} not handled correctly.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36767 251d0590-4201-4cf1-90de-194747b24ca1
ticket:11303: Markus' code review comments.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36768 251d0590-4201-4cf1-90de-194747b24ca1
ticket:11303: Andy's review comments.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36769 251d0590-4201-4cf1-90de-194747b24ca1
ticket:11216: Removed language code 'wen' from the LCID mapping table. MS uses 'hsb' (and 'dsb') in the latest LCID reference document, but 'wen' is not used.

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ticket:7747: WIP cmake

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