Initial Commit

Only implemented for WidowX currently. Unified arm support next commit.
Create README.md
Restructured file system, untested Alpha.

Main, InputControl, Kinematics, GlobalArm. Do not use, backup only.
Update README.md
oops
Fixed Sleep positions
Moved servo movement functions to Kinematics.h
n/a
Cleanup, bug fix on Xaxis
Update README.md
Reactor neutral elbow position bugfix
Merge branch 'master' of https://github.com/trossenrobotics/InterbotixArmControl
Adjustment of 90 degree modes
X-axis zero position updates
Fixed wristrot offset
Added 90 degree WA offset to InputControl
Adjusted X-axis offset defines

I really should test code before I commit... /sigh
Fixed sign for Pincher
Added Digital IO control and analog input query

Also restructured ExtArmState to be a else if stack rather than switch
case.
Fixed ReportAnalog() function

added 8 bit shift to the High byte (AH) so that it would transmit
correctly.