Re-add Webserver uIP application polling, apply patch to uIP by Andrew Ruder to fix corrupt TCP streams when multiple applications are used and the applications are polled for more data.

Projects/Webserver/Lib/uip/uip.c

@@ -689,6 +689,7 @@ uip_process(u8_t flag)
   if(flag == UIP_POLL_REQUEST) {
     if((uip_connr->tcpstateflags & UIP_TS_MASK) == UIP_ESTABLISHED &&
        !uip_outstanding(uip_connr)) {
+	uip_len = uip_slen = 0;
 	uip_flags = UIP_POLL;
 	UIP_APPCALL();
 	goto appsend;
@@ -794,6 +795,7 @@ uip_process(u8_t flag)
       } else if((uip_connr->tcpstateflags & UIP_TS_MASK) == UIP_ESTABLISHED) {
 	/* If there was no need for a retransmission, we poll the
            application for new data. */
+	uip_len = uip_slen = 0;		   
 	uip_flags = UIP_POLL;
 	UIP_APPCALL();
 	goto appsend;