Commits pipe_v21i binary.

For a 10 AGeV beam energy, generated from the create_bpipe_geometry_v21i.C
in the macro/pipe/fair directory. Beam pipe to be placed adjacent to the
STS backwall flange to a beam spot in beam dump at (0.389,0,20)

pipe/pipe_v21i.geo.info

+created by macro create_bpipe_geometry_v21i.C in macro/pipe/fair directory. 10AGeV (10.96 AGeV/c) beam equivalent to a beam hitting the beam dump at 0.389 m, 0, 20m relative to the center of the magnet field.