Bump sleep version + change license to MIT
Bump sleep version + change license to MIT

penoud/GrovePi,NeuroRoboticTech/Jetduino,karan259/GrovePi,penoud/GrovePi,rpedersen/GrovePi,penoud/GrovePi,rpedersen/GrovePi,nerginer/GrovePi,nerginer/GrovePi,karan259/GrovePi,penoud/GrovePi,penoud/GrovePi,penoud/GrovePi,stwolny/GrovePi,karan259/GrovePi,nerginer/GrovePi,nerginer/GrovePi,nerginer/GrovePi,karan259/GrovePi,rpedersen/GrovePi,rpedersen/GrovePi,stwolny/GrovePi,karan259/GrovePi,karan259/GrovePi,nerginer/GrovePi,NeuroRoboticTech/Jetduino,penoud/GrovePi,nerginer/GrovePi,karan259/GrovePi,stwolny/GrovePi,NeuroRoboticTech/Jetduino,karan259/GrovePi,NeuroRoboticTech/Jetduino,nerginer/GrovePi,penoud/GrovePi,NeuroRoboticTech/Jetduino,rpedersen/GrovePi,stwolny/GrovePi,rpedersen/GrovePi,rpedersen/GrovePi,NeuroRoboticTech/Jetduino,stwolny/GrovePi,stwolny/GrovePi,rpedersen/GrovePi,karan259/GrovePi,NeuroRoboticTech/Jetduino,stwolny/GrovePi,stwolny/GrovePi