DDF-527  added update chain to solrconfig.xml to persist all Solr entries into Cassandra for backup
DDF-527  fixed trailing commas in CQL stmt; added support for _obj, _bin, and _tdt suffixes
DDF-527 changed suffix to _txt_set for Solr schema multivalued and copyfield capability
DDF-579: fixed metacard ID value to be valid UUID so it would pass Cassandra validation
DDF-579:  added setting for Cassandra level logging
DDF-579:  adjusted logging statement to more appropriate levels
DDF-579:  added CassandraEmbeddedServer startup to unit tests in support of Solr update chain
DDF-579: refactoring of solr server standalone into platform app
DDF-579: refactoring of solr server standalone to platform app
DDF-579: fixed unit tests by copying solr conf files from mvn repo for solr server standalone to target/classes dir
DDF-579: removed dead code