switch to 1.4-SNAPSHOT
Upgrade to strepsi version 1.4-SNAPSHOT
Adding options for #require/#all queries and option to switch of MaxRank algorithm
Prevent IndexOutOfBounds exceptions when running working set queries on an empty working set.

QueryBuilder returns empty queryStr
GalagoRetrieval checks for empty queryStr and returns empty result list.
Prevent IndexOutOfBounds exceptions when running working set queries on an empty working set -- in client side code

GalagoRetrieval checks for query parameters that contain an empty list as "working"
Adding Galago document parse for ClueWeb-FACC index creation
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/scala/edu/umass/ciir/strepsimur/DiskBackerConv.scala
Upgrade to galago 3.6
String2StringDiskBacking: catching NPE
Adding corpus export of galago indexes to strepsimur: CorpusExport.java
CorpusExport: create outputdir
ClueSpam: read clueweb spam scores and write to DiskBacker
ClueSpam: try to debug out of memory error
ClueSpam: switch to DiskMapBuilder
ClueWeb WARC Facc: Instrumenting to find NPE
switching to custom galago version 3.6-eqfe

Attempt to hardcode parser for name 'foo', but only if configuration is missing
WARCFaccParser: fixing max file handles problem. DiskBackers are now being closed.
IndriQueryGenerator: support offline integration with indri
for collection background check , fall back to postings.krovetz if postings does not exist in index.
update from galago-3.6-eqfe to galago-3.7-snapshot