Merge branch 'release/0.9.12' into develop
Added write_feature_file function to skll.data, which makes it simpler to write .jsonlines, .megam, and .tsv files. Also added unit tests for megam and tsv file merging.
Fixed Python 2/3 compatibility annoyances with DictWriter.
Fixed issue where unit tests weren't creating directories.
Fixed issue where unit tests weren't creating directories.
fixed bug in how job results were checked. also added logger initialization
removed extra commented lines from experiment.py
Merge pull request #34 from EducationalTestingService/feature/fixed_gridmap_job_results_checking

fixed bug in how job results were checked. also added logger initialization
Linked n_jobs and pre_dispatch so that we don't run out of memory all the time.
Merge branch 'develop' of github.com:EducationalTestingService/skll into develop
Merge branch 'feature/write_feature_file' into develop
Updated changelog and bumped version to 0.9.13
Merge branch 'release/0.9.13'