ELEC-54: Add .travis.yml file (#12)
ELEC-54: Add .travis.yml file (#12)

Add .travis.yml file for continuous integration. Intelligently
lint the project so that linting isn't run each time in the build.
uw-midsun/firmware,uw-midsun/firmware,uw-midsun/firmware,uw-midsun/firmware,uw-midsun/firmware,uw-midsun/firmware