Fix sqlalchemy_url for backwards compatibility
Fix sqlalchemy_url for backwards compatibility

MAGFest 2016 uses the sqlalchemy_url from its config file to work, and we still want to support it for now. This shouldn't affect new installs going forward.
md1024/rams,magfest/ubersystem,magfest/ubersystem,RAMSProject/rams,magfest/ubersystem,magfest/ubersystem,RAMSProject/rams,md1024/rams,md1024/rams,RAMSProject/rams