relax SVN archive

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().

Renamed all execute() methods to on_execute() and update() to on_display().

The calls to update() from execute() have been eliminated.

The on_apply() method by default now calls on_display().

Renamed the update() method to on_display().