Adjust timing parameters in response to real-world trace data.

Also increases maximum frame rate from 50 fps to 100 fps.

Relevant to issue #222 on github.

src/network/transportsender.cc

@@ -42,7 +42,7 @@ TransportSender<MyState>::TransportSender( Connection *s_connection, MyState &in
     shutdown_tries( 0 ),
     ack_num( 0 ),
     pending_data_ack( false ),
-    SEND_MINDELAY( 15 ),
+    SEND_MINDELAY( 8 ),
     last_heard( 0 ),
     prng()
 {

src/network/transportsender.h

@@ -39,7 +39,7 @@ namespace Network {
   {
   private:
     /* timing parameters */
-    static const int SEND_INTERVAL_MIN = 20; /* ms between frames */
+    static const int SEND_INTERVAL_MIN = 10; /* ms between frames */
     static const int SEND_INTERVAL_MAX = 250; /* ms between frames */
     static const int ACK_INTERVAL = 3000; /* ms between empty acks */
     static const int ACK_DELAY = 100; /* ms before delayed ack */