removed example code, pure api now

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>
added logger example

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>
added tests

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>
moved test-joystick into tests

Signed-off-by: Sean Nicholls <seannicholls@gmail.com>