Added LearnerBaseUDTF
Extracted utility methods
Supported a feature to load a prediction model ("-loadmodel" option) and
modified to return covarinace in cw/arow/scw
Fixed a bug in covar loading and extracted commons methods to
LeanerBaseUDTF
Supported model loading in multiclass classification
Added getter/setter to avoid compilation errors
Updated to reflect recent changes
Merge pull request #67 from myui/feature/iterations

Feature/iterations