Inexact vertical profiles

[BenMql]

As of v1.1.5, exporting horizontally-averaged profiles as functions of height z yields rubbish.
It is best to avoid >>Profiles in coral.usrOutput until this is fixed.

[BenMql]

Profiles seem to be correct with the slab (1d-domain decomposition version).
Each file contains the value of a variable on the Gauss-Chebyshev (by default) or Gauss-Lobatto grid.