Item10657:Item12497:

   * replacing the old solr search with the all-ajax one.
   * stripping whitespaces from search terms before looking it up in the cache of the autosuggester
   * using ajax solr search for WebChanges and SiteChanges now
   * translation work



git-svn-id: http://svn.foswiki.org/trunk@16759 0b4bb1d4-4e5a-0410-9cc4-b2b747904278