• Update to v0.30

Add -c, --cons-dev option to choose terminal.
This allows nmdm devices to be used by grub for output.
Submitted by Conrad Meyer.

Set Linux boot_params video rows/columns to 80x25. This can
be disabled with the "-e|--evga" switch.

Move the 32-bit flat-mode GDT to the first page in memory to
avoid being stomped on by the decompressor in older Linux kernels.
These two fixes allow Centos 4/5 ISOs to boot without
triple-faulting or panic'ing with divide-by-zero errors.

Clean up command-line help, and be more FreeBSD-specific in
the display, including printing the grub-bhyve version.