check in the model driver and k-fold training codes
add test cases and documents to the model-driver codes
Merge pull request #7 from seomoz/jf_mozsci_1013

the model driver and k-fold training codes
add classification performance measure functions
trailing empty line
merge classification perf measure into evaluation and make the test cases passing
Merge pull request #8 from seomoz/jf_mozsci_1125

add classification performance measure functions
Start variable definition module
redesign variable definition for better reusability
add test cases
add ending line
add a method for easier use in prediction
minor fixes
Implement scaled log transformer with sklearn Transformer API
Remove get_params, set_params in inputs.py
Simplified variables with tests
Add loads/dumps to ModelDriver for serialization
Remove old model driver
Merge pull request #11 from seomoz/matt

Simplify variables
Merge pull request #1 from seomoz/master

latest from upstream