Sending 2nd Sensor Data to Tiles
Added GUI for background color again
Setting HSB

Changed background colour + GUI to HSB
Background colour responding to 2nd sensor

Hopefully, I guess… Background hue should change according to average
emotion in x axys — from cello's sensor
Merge branch 'two-sensors'

Conflicts:

ciel_etoile_0_3/ciel_etoile_0_3.xcodeproj/project.xcworkspace/xcuserdata
/gabrielgianordoli.xcuserdatad/UserInterfaceState.xcuserstate