Fixed incorrect values of USB_CONFIG_ATTR_SELFPOWERED and USB_CONFIG_ATTR_REMOTEWAKEUP tokens (thanks to Claus Christensen).

Mark the AVRISP-MKII project descriptors as being both Bus Powered and Device Powered.

Copy over file level documentation of the peripheral drivers to the module level documentation.

Clean up Webserver project - add more Doxygen documentation for the new DHCP client functions and defines.

Fixed a bug in the incomplete Webserver project, where the packet data was not being written to and read from the correct buffer address.