relax SVN archive

Fix for the Help->Licence menu entry for the new GUI user function design.

This additionally opens the relax controller window so the user will see the text.

Fixes for the pipe editor window to handle the new GUI user function design.

Fixes for the relaxation data reading GUI element for the new GUI user function design.

Fixes for some of the GUI user function calls from the tree part of the spin viewer window.

Fixes for the GUI user function launching in the model-free auto-analysis tab.

Removed all usage of self.gui from the results viewer window.

Converted the results viewer window to handle the new user function GUI page design.

Better support for running a script and the GUI from the command line.

The script is now run at the very end, after all of the GUI is set up, and is run with a
wx.CallAfter call.

Spelling fix for the spin loading wizard.

The spin loading wizard is now accessible from the tree's root menu in the spin viewer window.