Updated GDSG - wordlist updates

["Eugene O'Connor" <eugene oconnor sun com>]

The following changes were made to the wordlist for GDSG V1.0:

* Added new terms: 
  - GNOME Desktop Terms: desktop theme, Main Menu, Main Menu button, menu item
popup menu. Also the following intended primarily for system administration
documentation: desktop entry file, directory entry file, GConf, GConf
configuration source, GConf path file, GConf preference key, GConf repository,
GConf schema, GConf schema definition file, GConf schema key, GConf schema
object, vfolder
  - User Actions: duplicate 
  - General Computer Terms: command, icon, image, program, tile
  
* Modified following terms: 
  - GNOME Desktop Terms: control, menu item, window frame 
  - General Computer Terms: application (moved from GNOME Desktop Terms), Ctrl
  
* Deleted following terms: 
  - GNOME Desktop Terms: GNOME Menu, GNOME Menu button