removed useless white spaces using a script
fixed the timing routine of SCOTCH that did not compile on MacOS
Fix a problem with remove_min_to_start_at_zero in AXISYM option
Revert "Fix a problem with remove_min_to_start_at_zero in AXISYM option"

This reverts commit 4e66ec34639a60a0ad77415cc10c88677e214400.
Fix a problem with remove_min_to_start_at_zero in AXISYM option
added see_also_README_inversion_package_list_of_things_to_do_in_the_SPECFEM3D_package.txt
fixed an interface problem detected by David Luet
Added trash files to .gitignore

editors create temporary files that we don't want committed:
.*swp
.*swo
*~
swapped the station and network names in seismogram and adjoint source files, as done by Daniel Peter in 3D and in 3D_GLOBE
Merge pull request #137 from komatits/devel

swapped the station and network names in seismogram and adjoint source files, as done by Daniel Peter in 3D and in 3D_GLOBE
removed two comments
fixed reading external models for SH simulations
fixed reading adjoint traces for SH simulations
work around integer overflow problem when writing Seismic Unix output
committed Emanuele's fix to UTILS/cubit2specfem2d/cubit2specfem2d_abs4.py
renamed UTILS/cubit2specfem2d/cubit2specfem2d_abs4.py to UTILS/cubit2specfem2d/cubit2specfem2d.py
switched to option -qstrict for the IBM xlf compiler
added autogenerated genmod files to .gitignore
changed the number of iterations from 4 to 5
removed see_also_README_inversion_package_list_of_things_to_do_in_the_SPECFEM3D_package.txt