PEP 8 Box plot
Remove printing the results of non-parametric tests which are not implemented in the box plot
Fix bugs in DiscreteVariable.find_compatible
Easier wrapping of scikit-learn methods.
Do not pass Y in one-class svm.
Fix DiscreteVariable.find_compatible not to fail when there are no existing variables with this name
Add tests for DiscreteVariable.make
Add distance measures

Added distance measure Eulidean, Mahalanobis, SpearmanR, SpearmanAbsolute, PearsonR, PearsonRAbsolute
Replaced broken test
Merge pull request #139 from nikicc/distances

Add distance measures
Move sharpen to sampling part of controls.
Show more durations in sampling options.
Option to cache samples.
Add SGD Regression widget.
Prefix sample tables with underscores.
Fine tune sample times.
SGD regression add linear.py.
SGDRegression test.
Allow arbitrary number of columns in discrete palettes
Changed scikit import in tree module.