Added targets for building a dev environment and a production environment.
Removed django-lint, the version from the django-extensions and added django-coverage.
Added extra targets in the makefile to aid in recreating a reproducable build.
The classmethod doesn't need to call super() to invoke the base class method.
Merge branch 'master' of 15.185.120.66:AeroNotix/timetracker
Added a test which check if an exception will be raised when a not valid activityid is sent.
Added lib64 to gitignore.