Add missing mesher program arguments
Change mesher to use TraceSpline class

The TraceSpline class allows for better resolution of the mesh along a
trace, and helps with the element size adjustment algorithm also
implemented
Remove overly large resolution on two fault test
Merge branch 'eheien_fix_missing_deep_elements'
Fix SWIG/Python, MPI in Quakelib
Add note about SWIG-python
Added gravity Greens unit test
Merge branch 'eheien_fix_add_python_tests'