Cleanup and bug fixes

Fixes issue #17
Added test script and various test directories
Shortened test files
Added some comments and misc cleanup.
Clarified comment
deleted line
Merge pull request #20 from subutai/issue_17_and_misc

Cleanup and bug fixes
Added simple random detector

Makes testing go faster.
Provides a simplistic baseline to ensure scoring and the rest of the system is working above a non-trivial level.
Renamed ground truth files again.
Reformatted ground truth file.
Cleanup

Renamed DataSets to DataFiles.
Added pretty printing of threshold json
Merge branch 'master' of github.com:numenta/nab

Conflicts:
	config/profiles.json
	config/thresholds.json
	nab/runner.py
	run.py
Merge pull request #21 from subutai/random_detector

Added simple random detector
Merge branch 'master' of github.com:numenta/nab