removed latent variable modeling of richness measurement error because it doesn't make sense to do so
removed unnecessary script
cleaned 2014-10-08 CNALH download for use in calculating regS.
re-calculated regS for allsp records downloaded 2014-10-08 from CNALH
re-made master data tables to include new regional richness
moved old sem models to file old_sem_models.R in SEM Models folder outside git repository
minor adjustments to cluster scripts for running SEM models