anvl: Fix up the script to not produce error

Otherwise we get:

./omap-usb-install: line 34: syntax error near unexpected token `}'
./omap-usb-install: line 34: `}'
anvl: Move things to main function

As suggested by Liam.
anvl: Fix up issues commented by Liam
anvl: Add support for running test scripts on the devices with socat
anvl: Move scripts and images

Move to subdirectories as suggested by Liam.
anvl: Loop the install

This can be done with -l|--loop.
anvl: Add support for just erasing the NAND

In some cases we just want to erase NAND.
anvl: Add support for just loading and booting a kernel image

This is handy for testing kernel changes without flashing anything.
anvl: Updated binaries for install

kernel at 1d2a1b7b30e3ac689313fe0e51c8f94cf87ae89a
initrd at f837bf9701cb919dd85fa297850a8f831b4c47f9
install at