Longwave up and down

Changes to get longwave up and down from the coupler and right
calculation of the fluxes in thermf.F
Corner points

Adding the declaration and reading of qlon and qlat
HYCOM_IN_CESM

Changed HYCOM_IN_CESM by NUOPC
Merge pull request #1 from feiliuesmf/abozec_changes

Longwave up and down/ corner points/ HYCOM_IN_CESM