ticket:11139: More review comments form Markus.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36744 251d0590-4201-4cf1-90de-194747b24ca1
ticket:11139: Add JAVA DateFormat factory methods to C++

git-svn-id: http://source.icu-project.org/repos/icu/icu@36745 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10952: Introduce ScientificNumberFormatter.

git-svn-id: http://source.icu-project.org/repos/icu/icu@36746 251d0590-4201-4cf1-90de-194747b24ca1