created FeatureExtractionController class
renamed object from FeatureExtractionController to
AttributeExtractionController
Merge branch 'master' of https://github.com/prmr/Creco
temporary productsearch
temporary ProductSearch
Merge branch 'master' into feature_extraction

Conflicts:
	.settings/org.eclipse.jdt.ui.prefs
update
AttributeExtractionController work
Product searcher
Produces an output using PCA with humidifiers, but not sure if this
output is any good.
Now ScoredAttributes contain average or modal value depending if they
are numeric or nominal. Also added asn AttributeValue class.
renamed AttributeExtractor
Fixed a few bugs pertaining to non equivalence classes
added comments
Merge remote-tracking branch 'origin/Integration' into feature_extraction
make CRData constructor use default filenames
added support for ratings
Merge remote-tracking branch 'origin/Integration' into feature_extraction
refactor general ctrlrs to server pkg
Merge remote-tracking branch 'origin/Integration' into feature_extraction