relax SVN archive

Eliminated the 'prune' argument to the monte_carlo.error_analysis user function.

This will never be used again, and might tempt some users into changing the value and damaging their
analysis!

Created a wizard graphic for the monte_carlo user functions from the oxygen 'actions/roll' icon.

Converted the monte_carlo user functions to the auto-generation design.

Missing RelaxError import.

Added the 'roll' Oxygen icon and a blue coloured version for use in the monte_carlo menus.

Created an icon representing frequency.

This is being used by a number of user functions and classes.

Created an icons for the jw_mapping user function class.

The model-free user function class now has a menu icon.

Converted the molecule user functions to the auto-generation design.

Created a basic icon set for the model-free theory.