[Carpet] CarpetIOHDF5 testsuites are broken

[Luca Baiotti]

Hi Erik,

> The parameters regrid_during_recovery and  
> use_grid_structure_from_checkpoint are supposed to be used together.   
> Using only one of them will probably lead to inconsistencies.  The  idea 
> is that either Carpet or CarpetIOHDF5 should set up the grid  
> structure.  Old style recovering would set neither parameter, new  style 
> recovering would set
> 
> Carpet::regrid_during_recovery = no
> CarpetIOHDF5::use_grid_structure_from_checkpoint = yes

Yes, I have used them together as you say.

Luca.