added unfinished source files
fixed solr bot for full text search and result highlight;
optimized solr indexing
fixed search module to accept lucene, momery, and solr;
renamed SolrPerUserWaveViewHandlerImpl to SolrWaveIndexerImpl
renamed SolrPerUserWaveViewHandlerImpl to SolrWaveIndexerImpl
cleaned up commented code;
added solr to supported search type list;
Merge branch 'solr-bot' of https://github.com/renfeng/wave into solr-bot
fixed all query to show waves of shared domain participant; implemented creator query type;