Changed enable notification button to a checkb Changed variable names to more appropriate names. Fixed a potential issue with fNotificationBox getting out of sync. Fixed a potential issue of starting the Notification Server more than once.

Signed-off-by: Adrien Destugues <pulkomandy@pulkomandy.tk>
Style fixes.
setarch: list available architectures

Signed-off-by: Oliver Tappe <zooey@hirschkaefer.de>