Makefile: use  -D_FILE_OFFSET_BITS=64 to build dracut-install
drm/module-setup.sh: redirect grep to /dev/null

on some architectures, no pci devices exist
systemd: add more ordering
add dracut.bootup.7 man page
fs-lib/fs-lib.sh:write_fs_tab() start initrd-root-fs.target
nbd/nbdroot.sh: fix root != blockdev case
network/netroot.sh: do not unset root
TEST-40-NBD/test.sh: kill_server() after test_run()
51-dracut-rescue-postinst.sh: add extra checks
51-dracut-rescue-postinst.sh: Rename image and grub entry

grub2-mkconfig ordered the rescue entries higher than the normal ones.

https://bugzilla.redhat.com/show_bug.cgi?id=923439
51-dracut-rescue-postinst.sh,51-dracut-rescue.install: use systemd-machine-id-setup

if /etc/machine-id is empty, use systemd-machine-id-setup
dracut.sh: remove temporary cpio output in trap
dracut.spec: use pkg-config for bashcompletiondir
dracut.spec: use configure
dracut.sh: turn off host-only mode, if essential system filesystems not mounted
dracut.sh: turn off hostonly mode, if udev database is not found