adding sort functionality. Closing tasks #758 and #767
FP7ProjectID parameter also adds 'and (relfundinglevel0_id exact 'FP7')' filter
adding openSearch descriptor
Parameter check added and better string handling
multiple country ids are supported for project API
added rss opensearch results
following the new vocabulary schema with code field, adding dc schema for publications api, introducing project api
adding multiple dois search and funder parameter
copy of uoa-search to start working on spring4