D-Net

New uoa-commons version related to #1288

Adding info debug, related to #1289

refine transformer is set from method parameter

added csv, tsv, html format support

- synchronized for SolrClient query
- synchronized for get client from cache
- zookeeper version changed to 3.4.5-cdh4.3.0

- mdformat field is exposed on search service profile <PROPERTY value={mdformat} key="mdformat"/>
- mdformat field is changed when blackboard message is received and the new value is updated in search service profile
- if the search service profile exists and contains the mdformat property the search service parameter is set based on this value. if not the value is set from services.search.mdFormat property...

Closing #925 - empty fromDate results in resultdateofacceptance within * ...

taking care of multiple ids for objidentifier, relpersonid, resulthostingdatasourceid, relprojectid - closing #926

Closing #348 - added descriptor for opensearch and produce the correct result

Closing #928 #930 #931 with refinements in api parameters and error messaging - Closing #894 introdusing sygma model