Merge pull request #65 from bottero/devel

Modified indentation in pml_init.F90
committed Quentin Brissaud's modifications to handle gravitoacoustic media
Merge pull request #66 from komatits/devel

committed Quentin Brissaud's modifications to handle gravitoacoustic med...
This commit fixes PMLs and external meshes for axisymmetric runs.
Merge remote-tracking branch 'upstream/devel' into devel

Conflicts:
	src/specfem2D/pml_init.F90