Add MPI requirement and patch for Metis timezone struct.
ADCIRC: Build with support for netCDF output
More formula style cleanup
Clean up class inheritance style
Clean up gfortran dependencies
Formulae now use ENV.fortran instead of depends_on 'gfortran'
Added formula for ADCIRC
The ADvanced CIRCulation model (ADCIRC) is used to forecast hydrodynamics in
coastal and estuarine settings.