Speed up Webserver demo data rate by not sending a full ethernet frame each time, preventing the receiver from using a delayed ACK scheme which slows down the connection. TELNET server cleanup.

Add FatFS library to the Webserver project, extend the HTTP server so that it now serves files from the Dataflash. Add Mass Storage device mode class driver so that files can be loaded to the board Dataflash when inserted into a PC.

Add new TemperatureDataLogger project, a simple USB Mass Storage class Temperature Data Logger using the onboard Dataflash and Temperature sensor.