git pull origin master

Rebase master branch onto develop branch
Minor tweaks
Continued tweaking of FAO-56 rooting depth formulation.
change to allow single-coefficient and dual-coefficient operation; update webpages
Bugsmashing:Remove testing block from dynamic landuse
block; was causing swb to die upon startup when using the dynamic landuse option.
Update module files for 32-bit gfortran
Rebase branch to master