* Architecture discussion
 * DB / Mckoi to H2 or HSQL or derby ?
  * driver
  * empty db
 * Lucene
  * Merge LQB and lucene XSLTs
   * Add any search criteria
   * Search param is one value or an array value
  * Thread for indexing ?
  * !IndexWriter alert !IndexReader about status
 * Simplify
  * !SettingManager (lock, default value), 
  * !DataManager, 
  * !XMLSerializer
 * Search
  * Return JSON
  * Using only stored field from the index
  * !StandardAnalyzer & !GeoNetworkAnalyzer
 * Perfomance improvements
  * root/gui/localized - only current session language ? - faster XSL
  * DB queries
 * Maven : version settings
 * Harvester 
 * SOLR