Update tests for api and core
Update ardrone tests
Remove ginkgo test suite file from ardrone
Update beaglebone tests
Update digispark tests
Update firmata tests
WIP refactor gpio tests
Add master api commands
NewRobot is now a variadic function
Add AddRobot function
refactor device and driver
refactor connection and adaptor
Add AddDevice and AddConnection functions
Update travis example
Update gpio tests
Update i2c tests
Update joystick tests
Update leap tests
Update neurosky tests
Update opencv tests