Add branch readme document.
Add branch readme document.

* BRANCH-README: New file to describe the purpose of the branch.


git-svn-id: a8fceb403dc35cdb67a8cf357ad68b3b01ce65c0@1439310 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion