Fix compiler errors
Merge pull request #71 from solovyevk/master

update POM to 1.7 source/target language level, otherwise maven build fa...
A whole lot of work, moved files, new files etc.
removed maven nature
Add libs dir back to free up build from Maven
project modifications
Merge branch 'encoderwork'
Merge pull request #72 from cogmission/encoderwork

Encoderwork
Final completion of ScalarEncoder, ScalarEncoderTest, Encoder base class
Merge branch 'master' into encoderwork
Fix some copyrights, formatting
Merge pull request #76 from cogmission/encoderwork

Encoderwork - Phase 1 (Base encoder class and ScalarEncoder)
Make encoder library stateful
Merge pull request #78 from cogmission/statefulencoder

Make encoder library stateful
regenerate docs for new api changes
Merge pull request #80 from cogmission/statefulencoder

regenerate docs for new api changes
new docs
Merge pull request #81 from cogmission/categoryencoderwork

new docs
created CategoryEncoder and added CategoryEncoderTest
generate doc files for new classes