dracut.spec: dracut-network requires dhclient
testsuite: fixed network interface names
Create initramfs without using udevadm

This enables building a hostonly image, without the udev database
populated.
dracut-functions.sh: add find_dev_fsopts()
rootfs-block: search all host_devs for a journal device
dracut-functions.sh: no more 'echo'
dracut-functions.sh: add find_mp_fsopts
resurrect TEST-14-IMSM
add parameter --print-cmdline

This prints the kernel command line parameters for the current disk
layout.

$ dracut --print-cmdline
rd.luks.uuid=luks-e68c8906-6542-4a26-83c4-91b4dd9f0471
rd.lvm.lv=debian/root rd.lvm.lv=debian/usr root=/dev/mapper/debian-root
rootflags=rw,relatime,errors=remount-ro,user_xattr,barrier=1,data=ordered
rootfstype=ext4
dracut.spec: add bash module