[multigrid_gravity] removed shortcut for clarity
[multigrid_gravity] Print the solver type only for the coarsest level
[multigrid_gravity] removed trust_fft_solution parameter
[multigrid] corrected a message
[multigrid_gravity] comment
[pcg] doxy, comments
[qa.py] disabled check for SVN Id
[qa] cosmetics
[gravity] removed unused imports
Merge branch 'cosmetics' into int32