Create ipad_charge_gui_frontend.tcl

GUI Frontend for ipad_charge:
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In the project/source code folder, the file ipad_charge_gui_frontend.tcl is a Tcl/Tk script. Therefore, you have to install
Tcl and Tk to be able to see a window with two buttons. One has [ON] (turns the USB charger ON),
and the other button has [OFF] (turns the USB charger OFF). Please watch the following 
YouTube video to know how to install Tcl and Tk:

http://www.youtube.com/watch?v=nGLeZuyhz88

After installing Tcl and Tk, don't forget to set the executable bit/permission on 
ipad_charge_gui_frontend.tcl using the command running from the same source code folder:

chmod +x ipad_charge_gui_frontend.tcl

to run from the same folder:
./ipad_charge_gui_frontend.tcl

You can can on Classical GNOME Desktop Environment do the same by:
1- Right click the file ipad_charge_gui_frontend.tcl and go to and click [Properties] .
2- Click [Permissions] and then click [Allow executing file as a program].
3- Press [OK] to save.
4- Double click the file ipad_charge_gui_frontend.tcl and then click [Run].
5- The frontend now should be displayed.