Automatically provide pref. domain quantizer
Implement rating predictor item scorer (#485)
Implement rescoring item recommender (#485)
add missing license headers
Transparently decompress gzipped recommender engines
Decrease object allocation overhead of compression detection
Merge pull request #527 from elehack/feature/elehack-detect-file

Auto-detect whether recommender engines are compressed
Update Guava to 16.0.1
Properly escape GraphViz output (#524)
Bump commons-lang3 version
Fix GraphViz escapes to be compliant
Add GraphViz escaping fix to release notes
Update release notes
Merge rescoring recommender (closes #485)

Conflicts:
	lenskit-core/src/main/java/org/grouplens/lenskit/transform/quantize/Quantizer.java
	lenskit-predict/pom.xml
Add #485 to release notes
Make quantized rating predictor support null baselines
Fix typos
Document user-user similarity
drop minimum similarity thresholding from user-user
Document user-user neighborhood limits in release notes