relax SVN archive

Fixes for the free file format setting window.

Many variables and methods are now private in Wiz_page.

Bug fix for the global setting and free file format windows.

These use methods from Wiz_page rather than Wiz_window.

Started to test the NOE analysis via the GUI.

Typo fix for the allocation of wx IDs to the wizard buttons.

The new analysis button panel buttons each now have a unique ID.

The wizards now obtain a unique set of IDs for all of the possible buttons.

The new analysis wizard is now accessible via self.gui.new_wizard.wizard.

This will allow for GUI testing of this wizard.

The NOE analysis GUI system test now launches and kills the main GUI window.

The GUI testing framework is now operational.

The GUI test framework has been added to the relax test suite runner.