Added an assembly with an Omnetics connector EIB.

Changed mounting hole spacing on omnetics connector to 17 mm to accomodate
0-80 mounting holes.

Moved mounting holes to match EIB. Also changed angle to 37.5 degrees to make drive tighter.

Changed angle and reduced length of bottom piece of 30g tubing from 5 mm to 3 mm to match
tighter drive body.