Patch URL, BK URL, and changelog attached.

Recent changes:
* New sata_qstor driver.

* Turn on ATAPI by default.

* Change a couple unconditional use-the-hardware function calls to be 
callbacks instead.  Should have been this way originally.

* Most of C/H/S support.

* Fix bugs in ADMA driver.

* Support PCI MSI in AHCI driver.
* Support ATAPI in AHCI driver.

* Improve ATA passthru (a.k.a. SMART) support