Initial commit for milan permuation stuff.
Just copied poisson_3d files over. Going to modify it to use tetgen
files now.
After making the tetgen cube semi working. Now I am going to make it
fully working within a driver code.
Initial commit of documentation for tetgen with oomphlib
Done the tetgen documentation and generated the mesh.
About to determine which mesh I want to use to do the experiments.
The meshes are tar'd up. I have to remember to untar the correct one.

Changes to be committed:
modified:   doc/tetgen_config.tex
new file:   tetgen_files_unit_cube/cube.poly
new file:   tetgen_files_unit_cube/cube_1_16.tar.gz
new file:   tetgen_files_unit_cube/gen_mesh.sh
Done more work on the poly file.
About to see why the cube_poly_bk file does not work.
the cube_poly file now works.
Added some stuff for permutation code. Testing it out on
optimized version to see if it's any faster
Small edit to format results files:

modified:   lagrange_square/test_f_calibration/format_results.sh
modified:   lagrange_square/test_f_calibration/format_results_Euclud.sh