DS-1552 adding luceneMatchVersion to oai and statistics SOLR configs

This property becomes mandatory in SOLR 4.0
[DS-1489] SolrJ-3.3.0 dependency in OAI
Merge pull request #239 from KevinVdV/DS-1489

[DS-1489] SolrJ-3.3.0 dependency in OAI
Merge pull request #220 from bram-atmire/DS-1552

DS-1552 adding luceneMatchVersion to oai and statistics SOLR configs
DS-1592 : Remove debug printout
Fix for DS-1593 : Ensure discovery.cfg uses 'solr.server' setting
Merge pull request #245 from tdonohue/DS-1593

Fix for DS-1593 : Ensure discovery.cfg uses 'solr.server' setting instead of hardcoding its own URL