Fix broken RNDIS device demos when NO_ETHERNET_DECODE was not defined.
Add generate_help target to the Studio Integration makefile.
Update Doxygen configuration files to the latest version.
Update Windows RNDIS driver template.
Add Windows INF driver templates and class driver OS support information to the documentation.
Minor documentation improvements.
Refactor out the common VSIX XSLT params.
Simplify the Doxygen to Docbook XML transform.
Add XMEGA support to the class driver demos where possible.
Add stub functions to all board drivers, so that demos can be compiled with BOARD=NONE.
Assume 16MHz crystal by default in the AVR8 bootloaders.
Add platform includes to the bootloaders.
Pseudo-port the projects and dual role demos for possible later multi-arch support.
Pseudo-port the host mode demos for possible later multi-arch support.
Port the device mode demos to the XMEGA architecture where applicable.
Add missing project dependencies.
Add support for the XMEGA C3 Xplained board.
Merge branch 'master' into XMEGA-Demo-Ports-ClockOnly
Minor documentation improvements.
Merge branch 'XMEGA-Demo-Ports-ClockOnly'