removed the oT variable in the AttackerModuleDonet, since it was already
declared in the base class AttackerModule
uncommented the oT variable in the AttackerModule
deleted the FIXME comments, since they were solved!
added a timer variable which trigger the attack
fixed the exception "unspecified node"
fixed the stupid mistake in the AttackerModuleDonet which called
finish() instead of handleMessages() :-/
fixed the bug of trying to delete the timer variable twice