Update the 1.3 release notes to mention the wc prop storage change and possible implications for developers not using the svn API to read wc props.
Update the 1.3 release notes to mention the wc prop storage change and
possible implications for developers not using the svn API to read wc
props.

* www/svn_1.3_releasenotes.html
  (wc-props-change): New section.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@856954 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion