refactored settings files so that sensitive data like the LTI oauth credentials and django secret key are pulled from the environment instead of hard coded in production
Merge branch 'dev' into feature/settings-cleanup
changed method of retrieving of sensitive credentials due to env not working as intended
fixed whitespace
fixed issue with debug=false
added example config files
Merge pull request #71 from Harvard-ATG/feature/settings-cleanup

feature/settings-cleanup