relax SVN archive

Removed an event.Skip() call.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Expansion of exec_model_free() in preparation for rearrangements in the calc_modelfree module.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Modified how the r1_list and r2_list data structures are handled.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

relax execution now occurs automatically after clicking on the icon.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Previously a confirmation was required.

Expanded the print out when exiting to include references and shifted to using question().

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

The print out will need a bit of formatting, and it would be better if the question() box is
eventually removed as asking the user if they would like to quit after the user asked the program
to quit is annoying.

Added actions for the new menu entries.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Comment improvements throughout relax_gui.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Added a series of global variables to be used throughout the GUI.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

These include the global_setting list, the file_setting list, the sequencefile, and tables of
results.

Increased the status bar width.

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).

Simplified the whichmodel() function (not sure what the removed wx calls did anyway).

This corresponds to one component of the patch_II file attached to https://gna.org/task/?6847 by
Michael Bieri (https://gna.org/users/michaelbieri).