MOSAIC implementation checkpoint 1

Partial MOSAIC implementation. Includes an UNEDITED
MOSAIC installation to give a point of reference.
Most of the GC-MOSAIC interface is in place, but is
as yet completely untested.

Signed-off-by: Sebastian D. Eastham <seastham@mit.edu>
Made central MOSAIC variables OMP private

The species array CNN and other variables/arrays used by
MOSAIC are now OMP threadprivate.

Signed-off-by: Sebastian D. Eastham <seastham@mit.edu>