Fixed memory corruption HID report parser when too many COLLECTION or PUSH items were processed.
Make RNDIS device class driver include the CDC device class driver header, so that it can inherrit the required CDC functional descriptor macro.
Make HID host class driver include the HID report parser.
Remove VBUS events - not needed as the library takes care of VBUS detection and feedback on supported AVRs via the USB_Device_Connected and USB_Device_Disconnected events.
Fixed incorrect Host state assignment in the incomplete BluetoothHost demo.
Split out common defines/types from class drivers into a seperate common class driver directory.
Make central USB Class driver dispatch headers, used for both device and host modes.