Print warnings if a json file not found when writing summary file. Raise exception if none of the json files were found when writing summary file
refactored methods for printing results and summary.  made some minor changes to the .results files (e.g., "fold: average" instead of "Average")
Merge branch 'release/0.9.8'
Print warnings if a json file not found when writing summary file. Raise exception if none of the json files were found when writing summary file
refactored methods for printing results and summary.  made some minor changes to the .results files (e.g., "fold: average" instead of "Average")
Added test for summary file and created subfolders to clean up the tests directory
Fix summary writing unit test
Made a better summary file test
Updated author list in test_skll.py
Reorganized summary test to use the yield pattern so that the specific learner that fails can be identified when the test runs
Fixed bug in summary test
Change summary test failure message to include the two scores
Merge pull request #22 from EducationalTestingService/combined_output

Summary results file and unit test reorganization