Preseed updates

Author: alexpilotti

preseed.cfg

@@ -255,6 +255,9 @@ d-i partman/choose_partition select finish
 d-i partman/confirm boolean true
 d-i partman/confirm_nooverwrite boolean true
 
+d-i partman-md/confirm_nooverwrite boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+
 ## Controlling how partitions are mounted
 # The default is to mount by UUID, but you can also choose "traditional" to
 # use traditional device names, or "label" to try filesystem labels before
@@ -425,7 +428,7 @@ d-i finish-install/reboot_in_progress note
 # reboot into the installed system.
 #d-i debian-installer/exit/halt boolean true
 # This will power off the machine instead of just halting it.
-#d-i debian-installer/exit/poweroff boolean true
+d-i debian-installer/exit/poweroff boolean true
 
 ### X configuration
 # X can detect the right driver for some cards, but if you're preseeding,