Added a whitelist to the travis configuration file to build only the master branch and avoid developing branch to show errors in the README. Also, language is changed to `generic` to use system python and not pyenv.
Added a whitelist to the travis configuration file to build only the master branch and avoid developing branch to show errors in the README.
Also, language is changed to `generic` to use system python and not pyenv.

CentroEPiaggio/kuka-lwr,marcoesposito1988/kuka-lwr,carlosjoserg/kuka-lwr,miguelprada/kuka-lwr,CentroEPiaggio/kuka-lwr,manuelbonilla/kuka-lwr,carlosjoserg/kuka-lwr,miguelprada/kuka-lwr,hamalMarino/kuka-lwr,manuelbonilla/kuka-lwr,marcoesposito1988/kuka-lwr,hamalMarino/kuka-lwr