relax SVN archive

Fix to the dauvergne_protocol GUI analysis tab data checks, matching that of r13898.

Fix for the spin data check in the dauvergne_protocol auto-analysis - deselected spins are skipped.

Added data checks for the dauvergne_protocol GUI auto-analysis tab.

This allows for a dialog telling the user what is missing.

Fix for the relaxation data check in the dauvergne_protocol auto-analysis.

Added the status/user-busy oxygen icon.

Changing the code in the test_read_xyz_internal2

Test to load a spin of the already loaded model of the molecule.

Removed a debugging print statement.

Redesigned the dauvergne_protocol mode selection.

A special GUI element has been added to the analysis tab with a button that launches a new window
for mode selection. Therefore clicking on 'Execute relax' instantly starts the analysis.

Debugging in the generic_fns/structure/main.py

Debugging in the function load_spin in order to load a spin for xyz file properly.

Added the go-bottom oxygen icon.