Minor documentation improvements.

Bootloaders/DFU/BootloaderDFU.h

Demos/Device/ClassDriver/RNDISEthernet/Lib/ICMP.h

Demos/Device/LowLevel/RNDISEthernet/Lib/ICMP.h

...s/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c

...s/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.h

Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.h

Demos/Host/Incomplete/BluetoothHost/Lib/SDP.h

LUFA/Drivers/USB/Class/Common/HIDClassCommon.h

LUFA/Drivers/USB/Class/Common/HIDParser.h

LUFA/Drivers/USB/Class/Device/CDCClassDevice.h

LUFA/Drivers/USB/Class/Host/CDCClassHost.h

LUFA/Drivers/USB/Core/AVR8/Host_AVR8.c

LUFA/Drivers/USB/Core/HostStandardReq.h

LUFA/Drivers/USB/Core/StdDescriptors.h

LUFA/Drivers/USB/Core/StdRequestType.h

LUFA/Drivers/USB/Core/UC3/Host_UC3.c

LUFA/Drivers/USB/USB.h

Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c

Projects/AVRISP-MKII/Lib/V2ProtocolParams.c

Projects/MissileLauncher/MissileLauncher.c