HM: Linear hashset
EG/HM: Linear hashset working for joinQueries and facets
HM: HashSet size based on maxDoc
HM: Removed printing
HM: HashSet 10% bigger than size
HM: Used loop iso recursion
HM: HashSet size should be double maxDoc for better performance
HM: Added license
EG: removed recursion from HashSetLinear etc
HM: Fastest arguments for TopFieldCollector
EG/HM: Caching facets aggregator
HM/TJ: Multiple joinQueries are not accepted.
EG: Simplified KeyCollector/Filter including *cachable getFilter()*
Merge branch 'caching-new' of github.com:seecr/meresco-lucene into caching-new
EG/HM: removed getFilter() and Solr deps
EG/HM: Removed HashSetLinear
EG/HM: Rewrite multilucene with simple KEY's (as int, iso long hashes)
EG/HM: New data with '__key__' iso joinhash
EG/HM: Removed fieldTypeForLong
EG/HM: TermNumerator