GalagoQueryBuilder: Support PRF expansion
GalagoQueryLib: support for setting mu
add factory method, update to scala 2.10
fix test
add close to searcher
Fixed setting the dirichlet smoothing parameter (wrong parametername "defaultSmoothingMu", now changed to "mu")
Merge remote-tracking branch 'origin/master'
full experiment
.gitignore to never check in *iml files
EntityRepr contains field for Wikipedia title

Fixed compile time errors in WikipediaDocumentSource#fullText (now has returntype string)
switched to new version format in master branch (scala 2.10, galago3.4)
Worked around Param copy problem
Galago: getTermStatistics now wraps terms with quotes, @'s and other special symbols with delimiters
GalagoQueryBuilder takes optional arguments for seqdep and mu
Added field-based retrieval
Fixed index out of bounds in PassageWorkingSetExtentModel by not calling passage retrieval on an empty List and using a java.util.List as collection type
Finished Refactoring, Code compiles
Pulled documents are cached for a little while.
For entityLink posterios: correct counts to frequent corpus entities
Initializing Galago with global search parameters