Removed heartbeat functions
Remove __author__ references as we do not allow contributor attribution
Fix remaining Copyrights
Merge pull request #68 from esheffield/remove-heartbeat

Removed heartbeat functions
Remove unnecessary dependencies
remove unneeded test dependencies
Merge pull request #71 from ameade/pip-cleanup

Remove unused dependencies
Merge pull request #70 from ameade/fix-copyrights

Fix remaining copyrights