updates to allow putting dtb file on UFS partition.
uEnv.txt updated to pass the name of the dtb file to ubldr
Add a couple of utility functions for use in config scripts.
changes for mkimage
typo
Merge https://github.com/kientzle/crochet-freebsd
much simpler wandboard.h patch
removed uEnv.txt and the code to drop it on the fs
Merge pull request #48 from teverett/master

two updates to the boot process
use tmpfs rather than md
loader.rc is needed to that loader.conf will be processed
Merge pull request #49 from teverett/master

tmpfs changes and loader.rc
Update README.md

Added Versatile PB
Update README.md
Merge remote-tracking branch 'upstream/master' into versioned_uboot_patches

Conflicts:
	lib/uboot.sh