python/

for consistency with other interface classes

    t = re.sub(r'(\W)(Simulation)(\W)', r'\1I\2\3', t)
    t = re.sub(r'(/)I(Simulation)', r'\1\2', t)

Meaningful persistence tests in place for all Example/python/simulation, except for SpecularSimulation.py which only writes a trivial text line. This resolves much of #1440.

All simulation examples now take argument -p or filename. All fitting examples are taken out from the persistence tests. All persistence tests pass, but they do not yet test persistence.

This resolves #1071.
Manually repaired AllFormFactorsAvailable.py.