Added EIC Interaction Region

	modified:   ../../CMakeLists.txt
	new file:   IRChamber_example.xml
	modified:   eic/B0pF_example.xml
	modified:   eic_beamline_example.xml
	modified:   elements.xml
	modified:   gps.mac
	modified:   vis.mac
	modified:   ../src/B0pF_geo.cpp
	new file:   ../src/IRChamber_geo.cpp
1 job for beamline in 51 seconds (queued for 3 seconds)