[PATCHes] Add sixpair

Heya,

Here are the patches to get sixpair support built into BlueZ. It uses
libusb-1.0 as well as a yet to be merged libusb-1.0 patch to allow
re-attaching a driver to a device.

Problems left to solve:
- sixaxis enabler code (as seen in enable_sixaxis() in compat/hidd.c)
seems to have disappeared from the input plugin. Is that done in the
kernel now, or was it just removed?
- After "cable pairing" the device, I need to unplug/replug the adapter,
or restart bluetoothd. Can anyone think of a better way of getting the
list of devices updated?
- Some minor niggles in the code itself (use D-Bus instead of parsing
command-line tools)
- udev rule(s) and parsing only the selected device would be necessary
if not required

Cheers