Redstone Flight Control Set

Added: 
 - Added Pigeon Chip as a PIDer skin, all 3 variants avaliable
 - Added S-Signal Mixer
 - Improved derivative & added "smart integral" for PIDers

Modified: 
 - Helicopter Brain kinda working now
 - Now all chips do full-rotation, too
 - Remade texture
 - Adjusted recipe for a few blocks
 - Some block now weight 0.5 sable mass only

Bug-fixes: 
 - Fixed S-PIDer can't read S-signal inputs
 - Fixed PWM output not really PWM-ing negative signals
 - Fixed HOLC chip never actually had a recipe
 - Fixed Helicopter Brain (Mirrored) had signal mirrored twice so not actually mirrored
 - Fixed a few screen initial values not matching what they should, it doesn't seem to have had an influence though
 - Fixed no sound when putting a block on a RSFC block without shifting

Others: 
 - Lowered rotation code from SignalFullBlock to SimpleRSInOutBlock to support chip rotation
 - Random logistic changes adapting the changes in lower levels

Tried: 
 - Attempted to fabricate a bird-like algorithm, found that mathematically equal to PID so bacame a PIDer skin
 - Attempted to mathematically compensate Helicopter Brain phase reading for sub-tick blade movements, but could not get it to behave better than no compensation. Might pick it up later