Add routines for data copy between communication buffer and Legendre transforms
Update evaluation of Coriolis term 1
Switch to 2-dimension array for Coriolis term
Add Coriolis term evaluation using work array for Legendre transform
Fix FFT and Legendre transform selectors
Bug fix for interpolation and spherical transform
Same as previous commit
Update message
Add flags for center spectrum
Use structure for second field Ddata IO
Updating file treatment for spherical transform programs