merged Vadim's support for coupling with DSM, cleaned and improved by Clément Durochat
Merge pull request #178 from komatits/devel

merged Vadim's support for coupling with DSM, cleaned and improved by Cl...
cut a line that was too long
Merge pull request #180 from komatits/devel

cut a line that was too long
fix one error in pml_compute_memory_variables.f90, answer one commit from Dimitri in compute_forces_viscoelastic_noDev.f90
Merge pull request #181 from xiezhinan/devel

fix one error in pml_compute_memory_variables.f90