updated travis configs
updated travis configs

speed up gem installs (skip docs), skip newrelic gem install, usw default travis env vars
parrish/Panoptes,srallen/Panoptes,zooniverse/Panoptes,parrish/Panoptes,astopy/Panoptes,srallen/Panoptes,camallen/Panoptes,camallen/Panoptes,srallen/Panoptes,srallen/Panoptes,zooniverse/Panoptes,astopy/Panoptes,camallen/Panoptes,parrish/Panoptes,parrish/Panoptes,astopy/Panoptes,zooniverse/Panoptes,zooniverse/Panoptes,camallen/Panoptes,astopy/Panoptes