update readmes for import script
Add missing device descriptions to README
Increase gpio package test coverage
Update travis build script

Update .travis.yml
Refactor raspi revision detection
Increase pebble test coverage
Increase sphero test coverage
Increase mavlink test coverage
Increase digispark test coverage
Add seperate error events for io and mavlink errors
Delete .raspi_adaptor_test.go.swo
Increase ardrone test coverage
Add Start test for ArdroneDriver
Rename test helpers so they don't impact coverage
Increase neurosky test coverage
Increase leap test coverage
Refactor mavlink serialport connection instantiation
Increase edison test coverage
Update coverage settings in Makefile and travis script
Fix goveralls parsing error