Add flake8 checks to TravisCI
Merge pull request #25 from PDX-Flamingo/add_flake8

Add flake8 checks to TravisCI
Check test directory for flake8 violations
Merge pull request #26 from PDX-Flamingo/flake8_tests

Check test directory for flake8 violations
Add sample-celeryconfig file
Update documentation on README
Fix markdown formating on README.md
Merge remote branch 'origin/master' into shuffle-two

Conflicts:
	codonpdx/tasks.py
Kept verion with shuffle parameter