Merge pull request #14 from makermelissa/master

Temporary deployment fix

Author: makermelissa

.travis.yml

@@ -37,6 +37,7 @@ deploy:
       condition: $DEPLOY_PYPI = "true"
 
 install:
+  - sudo apt-get install libudev-dev libusb-1.0
   - pip install -r requirements.txt
   - pip install circuitpython-build-tools Sphinx sphinx-rtd-theme
   - pip install --force-reinstall pylint==1.9.2