Add svndumpfilter support to svnmirror.sh.
Add svndumpfilter support to svnmirror.sh.

Suggested by: Loic Calvez <l.calvez@openchange.org>
Review by:    Markus Rueckert <darix@irssi.org>

* contrib/server-side/svnmirror.sh:
  Added support for svndumpfilter.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@858450 13f79535-47bb-0310-9956-ffa450edef68

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