Item12586: fixed web changes view for subwebs

Item12718: implement a combined web-category facet and widget

Also:

  * added support for PiwikPlugin to track site search statistics
  * multiple improvements to auto-suggest drop down



git-svn-id: http://svn.foswiki.org/trunk@17239 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12718: fixing manifest



git-svn-id: http://svn.foswiki.org/trunk@17240 0b4bb1d4-4e5a-0410-9cc4-b2b747904278