Duplicate word
Rework ch6 intro based on Nil's comments
Fix intro to mce servo section
Fix abstract typo
Add focal plane cross-section to ch 5
Add scale bar, smaler fonts
Overview schematic of focal plane
deal with RCm labels
A bunch of Nils ch6 edits
Comments on uncertainty in Rsh, L measurements
Final nils ch 6 edits
Most of Nils ch 7 edits