Add Javadoc
Fix method name getOptions -> getSettings
Add Javadoc
Clean up Binarizer hierarchy
Improve getPixelLuminance: use CCIR 601
Clean up Binarizer hierarchy
Fix distinction between BinaryGrid an LuminanceGrid
Add Javadoc
Remove @author tags
Add Javadoc
Clean up Java2D utility methods
Move Java2D stuff to correct package
Add Javadoc
Suppress a warning