General cleanup, and closer alignment with Merge Tracking conventions.
General cleanup, and closer alignment with Merge Tracking conventions.

* subversion/include/private/svn_fs_merge_info.h
  (svn_fs_merge_info__update_index): Rename MERGEINFO to
   MERGEINFO_FOR_PATHS, and improve doc string.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion