Fixed more conflicts in whonix-shared-common package.
modified:   debian/whonix-shared-common.displace
renamed:    whonix_shared/etc/fstab -> whonix_shared/etc/fstab.whonix
renamed:    whonix_shared/etc/hostname -> whonix_shared/etc/hostname.whonix
renamed:    whonix_shared/etc/hosts -> whonix_shared/etc/hosts.whonix
renamed:    whonix_shared/etc/inittab -> whonix_shared/etc/inittab.whonix
renamed:    whonix_shared/etc/motd -> whonix_shared/etc/motd.whonix