SiEIC geometry
This MR adds a visualization tool for SiEIC and is a reparameterization of the compact description, along with changes in the subsystems. The broad-strokes changes are as follows:
- Replaced muon subsystem with insensitive cylindrical yoke
- Increased minimum radius of calorimeter endcaps to make room for forward instrumentation
- Added mockup forward instrumentation
Edited by David Blyth