Changes
Add function Spin with Angle Parameter.
Figures and Spin
Merge branch 'dev' of https://github.com/WeAreLeka/moti into newbranch
Figure
Gyroscope
Behaviour Upgrade
Balance
Upgrade Functions
Function Piezo (Sound)
Musics
Upgrades
Scope Ultrason and Infrared
Infrarouge
Ultrason Upgrade
Comments and Variables
Merge branch 'Figure' of https://github.com/WeAreLeka/moti into dev

Conflicts:
	src/moti_main/moti_main.ino
Upgrade, comments and variables fixes.