Item12497:

   * improved rest endpoint to cope with different infos in groups in a cleaner way
   * added paging for groups
   * added caching for autocompletions
   * improved templating of list items



git-svn-id: http://svn.foswiki.org/trunk/SolrPlugin@16737 0b4bb1d4-4e5a-0410-9cc4-b2b747904278