Document multiple log in client to 1.6 release notes.
Document multiple log in client to 1.6 release notes.

* www/svn_1.6_releasenotes.html: Add a 1.6 breadcrumb for my pet feature!


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@876246 13f79535-47bb-0310-9956-ffa450edef68

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