relax SVN archive

By using the wizard run() status value, the new analysis wizard can handle cancellation.

The wizard's run() method now returns a status value.

Fix for the molecule.copy() GUI user function for when the molecule being copied has no name.

The NOE and Rx auto analysis tabs now store their names in the relax data store.

This matches the auto model-free tab changes in r13170.

The on_execute() wizard page method is no longer compulsory.

A page can simply store data and doesn't need an execution action.

Fix for the apply button flag to the add_page() wizard method.

The flag was being appended, but the list was already created.

Alphabetical ordering of methods.

Fix for the pipe.copy() GUI user function.

The on_apply() method has been renamed to on_display().

Fix for the sequence.read() GUI user function.

The call to execute() has been renamed to on_execute().

Fix for the pipe GUI user functions. A call to on_exit() has been renamed to on_execute().