lua wip, moved scanline code to shaders, other updates
support hard drive directory metadata, other updates
blkdev: Add Linux CDROM support

Signed-off-by: Jason S. McMullan <jason.mcmullan@gmail.com>
build: Fix force_32bit mode for Linux

Signed-off-by: Jason S. McMullan <jason.mcmullan@gmail.com>
serial: Support /dev/tty as the serial output

Signed-off-by: Jason S. McMullan <jason.mcmullan@gmail.com>
some changes to the linux ioctl patch
fixed problem where CD ioctl mode was always used if compiled in
2.1.28
2.1.28dev
2.1.29dev
better volume handling, fixed scanline shaders
2.1.30dev
2.1.31dev
merged 2.1.31dev