Added compatibility list to the documentation of each individual demo.

Documented FAST_STREAM_TRANSFERS compile time option.

Reduced the TCP window size for the RNDIS demos (Class and LowLevel) to make them compatible with the AT90USB64x.

Demos/Device/LowLevel/USBtoSerial/USBtoSerial.txt

@@ -5,6 +5,20 @@
  */
  
 /** \mainpage USB to Serial Converter Demo (via CDC-ACM class)
+ *
+ *  \section SSec_Compat Demo Compatibility:
+ *
+ *  The following table indicates what microcontrollers are compatible with this demo.
+ *
+ *  - AT90USB1287
+ *  - AT90USB1286
+ *  - AT90USB647
+ *  - AT90USB646
+ *  - ATMEGA32U6
+ *  - ATMEGA32U4
+ *  - ATMEGA16U4
+ *  - AT90USB162
+ *  - AT90USB82
  *
  *  \section SSec_Info USB Information:
  *