replace print statements with logger
Merge pull request #280 from pyfarm/pylint_fix

replace print statements with logger
Use the new build env on Travis

more ram, more cpu, faster boot times, better network

http://docs.travis-ci.com/user/workers/container-based-infrastructure/

more docs coming soon
Merge pull request #282 from joshk/patch-1

Use the new build env on Travis