More help file loading changes.
More help file loading changes.

* Main window title gets updated
* Loading Notes is made provision for but not implemented yet.
* Loading of Contents and root level nodes populated with
  Content text.

Signed-off-by: Graeme Geldenhuys <7276345f2a225509983176907daf138ab07f6798@gmail.com>

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI