trying to fix gitignore, and tex doc
still trying to fix gitignore
working on polarization Sagnac
Merge branch 'Optickle2-yuta' into Optickle2-m3v4n5
working on PolSag
work in Mirror getReactMatrix : z0 signs
Merge remote-tracking branch 'origin/Optickle2-m3v4n5' into Optickle2-yuta