More XMEGA USB core fixes.

Rename the Doxygen page source directory from ManPages/ to DoxygenPages/ to prevent user confusion with the actual *nix Man tool.

Fix compile error on the UC3 targets when INTERRUPT_CONTROL_ENDPOINT compile time option is used (thanks to Ian Woloschin).

Small size improvement for Little Endian devices when USB host mode is used.

Minor documentation fixes.

Improve device support documentation in the manual; split out each architecture into a different sub-page of the Device Support section of the manual, add in table to indicate USB mode support for each microcontroller model.

Fix inverted LEDs_GetLEDs() result for the EVK1100 and EVK1101 boards.

Add support for the inbuilt unique serial numbers in the UC3A3 and UC3A4 models.

More updates to remove architecture-specific comments from the documentation, alter USBMode.h preprocessor logic to support future architectures more easily.

Fixed Benito project discarding incoming data from the USB virtual serial port when the USART is busy.

Minor documentation improvements.

Fixed incorrect PollingIntervalMS values in the demo/project/bootloader endpoint descriptors (thanks to MCS Electronics).

Added SVN eol-style property to the library driver files that are missing it.

Fixed incorrect LEDs_ChangeLEDs() function in the Benito board LED driver.

Added board hardware driver support for the Olimex AVR-USB-162 development board (thanks to Steve Fawcett).

Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.

Added hardware board driver support for the PJRC Teensy line of USB AVR boards.

Added support for the Dataflash mounted on the XPLAIN board. Added new XPLAIN_REV1 board target for the first revision XPLAIN board, which used a different (smaller) Dataflash IC to later revisions.

Make the RNDISEthernetHost Class driver demo print out incomming packets from the attached RNDIS device.

Added new USB_GetHIDReportSize() function to the HID report parser to retrieve the size of a given report by its ID.

More additions to the unfinished HID Host Class Driver.