Merge pull request #1 from Tinkerforge/master

Update Repo
Support for DistanceUS, DistanceIR and RotaryPoti

Added support for DistanceUS, DistanceIR and RotaryPoti
Mistake: Changed from Rotary to Linear Poti

I made some mistake ;) I wrote Rotary Poti instead of Linear Poti, so I
decided to correct this mistake
Merge pull request #2 from HcDevel/master

Added support for Distance US, Distance IR and Linear Poti Bricklet