Contour plotting module
Test routine for contour plotting
Ignores
Added 6-31G basis set.
Added imports of plotting routines
Added title plotting
Fixed looping over orbitals, added plot titles

Turns out the orbitals weren't asymmetric, it was the way that I was
looping over the orbitals.
Renamed vtk -> vtkplot

To avoid potential namespace clash.
Removed debug printing

Turns out the orbitals weren't asymmetric, it was the way that I was
looping over the orbitals.
Moved the test routines into plots
Moved h2 plotting here and cleaned routine.
Die build directory files!