Merge branch 'release/0.22.0' into develop
Add .gitattributes file to keep line endings normalized.
Switch to using joblib.dump and joblib.load for serialization.
Change .travis to use drmaa-python from PyPI, now that it's up to date
Fix drmaa PyPI package name in .travis.yml
Switch to using conda for all installation with Travis
Switch to using conda for all dependency installation with Travis.
Move scripts to a skll.utilities package and create entry points explicitly now.
Switch back to pip for installing nose-cov in .travis.yml
Fix entry points
Add some missing --yes options .travis.yml
Do not load training examples if we have a pre-trained model we're reusing
Bump version to 0.22.1
Merge branch 'release/0.22.1'