Fixed software PDI/TPI programming mode in the AVRISP project not correctly toggling just the clock pin.

Fix broken AVR8 Serial peripheral driver.

Make SPI and USART peripheral dispatch driver headers in preparation for a set of AVR32 peripheral drivers.

Add more include protection macros to give the user warnings when they try to manually include private driver header files, instead of the public driver headers.

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.