code cleaning
Progress on json and xml format. Still only resources api available.
Added methods for single solr query for search and browse. Size does not trigger extra solr query. Refine uses field queries. Pending APIs for different entities - only the genarla resources api is currently enabled. Pending handling format for both XML and JSON. All these related to #1432 and #2479
Create branch for enhancing API
Closing #928 #930 #931 with refinements in api parameters and error messaging - Closing #894 introdusing sygma model
adding sort functionality. Closing tasks #758 and #767
following the new vocabulary schema with code field, adding dc schema for publications api, introducing project api
added a blackboard listener to accept index modification messages
copy of uoa-search to start working on spring4