Prevent init-eMMC flasher from exiting
Type "beagleboard.org" to drop to a bash shell for debugging following
write_failure or successful completion.

Signed-off-by: Charles Steinkuehler <charles@steinkuehler.net>
Only copy the initrd file if it actually exists

Signed-off-by: Charles Steinkuehler <charles@steinkuehler.net>
init-eMMC-flasher : Fix umount problems due to invalid mtab
/etc/mtab is read-only, and umount seems to not like unmounting by
device name without an mtab file.  Pull the mount directory from
/proc/mounts and use that instead

Signed-off-by: Charles Steinkuehler <charles@steinkuehler.net>
init-eMMC-flasher : Continued tweaks
Modify update_boot_files to not need writable rootfs or /boot/
General code cleanup
Add self (Charles Steinkuehler) to copyright notice

Signed-off-by: Charles Steinkuehler <charles@steinkuehler.net>
Merge pull request #1 from cdsteinkuehler/master

Prevent init-eMMC flasher from exiting