fix so that the results and summary files contain model parameters for the evaluate task.  also cleaned up printing of the featuresets in those files (in python 2).
Merge pull request #48 from EducationalTestingService/feature/fixed_outputs_to_include_params

fix so results contain model parameters for the evaluate task
Added valid options to `feature_scaling` documentation.
Merge branch 'develop' of https://github.com/EducationalTestingService/skll into develop
Added ability to run multiple experiments in a row to run_experiment
Merge branch 'develop' of github.com:EducationalTestingService/skll into develop
Updated run_experiment to run multiple configuration files in parallel
if we're using gridmap.
Updated changelog and bumped version to 0.10.0.
Merge branch 'release/0.10.0'
Merge branch 'master' of github.com:EducationalTestingService/skll