ticket:10046: Beef up documentation.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35608 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: Implement Markus' API proposal suggestions.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35609 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: sciformathelper.h -> scientificformathelper.h

git-svn-id: http://source.icu-project.org/repos/icu/icu@35610 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: Merge r35539 to r35610 from trunk.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35611 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: Introduce ScientificFormatHelper class.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35612 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: Attempt to fix broken build.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35613 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10046: Expose Exponent Multiplication Symbol. ScientificFormatHelper class to recognize variants of the plus and minus sign.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35614 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10822: C wrapper implementation for udat_get.../udat_setBooleanAttribute  

git-svn-id: http://source.icu-project.org/repos/icu/icu@35615 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10822: remove static from test method

git-svn-id: http://source.icu-project.org/repos/icu/icu@35616 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Create branch.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35617 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10802: Minimal, default, server configurations for LRUCacheSize.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35618 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10821: make UCARules.txt build again, test new supplementary range with Joining_Group values, delete duplicate confusables.txt, make common intltest code to find source/data/unidata/ path

git-svn-id: http://source.icu-project.org/repos/icu/icu@35619 251d0590-4201-4cf1-90de-194747b24ca1