Application documentation/comment cleanup.

Bootloaders/CDC/BootloaderCDC.c

Bootloaders/Incomplete/MIDI/BootloaderMIDI.c

Bootloaders/Incomplete/MIDI/MIDI.c

Bootloaders/TeensyHID/TeensyHID.c

Demos/Device/ClassDriver/RNDISEthernet/Lib/Ethernet.c

Demos/Device/ClassDriver/RNDISEthernet/Lib/TCP.c

Demos/Device/LowLevel/CDC/CDC.c

Demos/Device/LowLevel/DualCDC/DualCDC.c

Demos/Device/LowLevel/GenericHID/GenericHID.c

Demos/Device/LowLevel/Joystick/Joystick.c

Demos/Device/LowLevel/Keyboard/Keyboard.c

Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c

Demos/Device/LowLevel/MIDI/MIDI.c

Demos/Device/LowLevel/MassStorage/MassStorage.c

Demos/Device/LowLevel/Mouse/Mouse.c

Demos/Device/LowLevel/RNDISEthernet/Lib/Ethernet.c

Demos/Device/LowLevel/RNDISEthernet/Lib/RNDIS.c

Demos/Device/LowLevel/RNDISEthernet/Lib/TCP.c

Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c

Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c