* GUI: changes to modify task - removed 'silent' button, added 'at system restart' button, added on the fly information wizard
* GUI: changes to modify variable - added on the fly information wizard
* implements @reboot function in GUI

Bug 85425 was closed on a previous commit but I did not know about this system of notification then :)

The closure of bug 85425 sould be credited to Sune Vuorela who originally submitted the patch, I used a slightly modified version of his patch.