- Greatly improve UDP downloading speed for clients

- Add download rate control cvar sv_dlRate
- Don't send snapshots to downloading clients

README

@@ -172,6 +172,8 @@ New cvars
                                       backend
   s_muteWhenMinimized               - mute sound when minimized
   s_muteWhenUnfocused               - mute sound when window is unfocused
+  sv_dlRate                         - bandwidth allotted to PK3 file downloads
+                                      via UDP, in kbyte/s
 
   com_ansiColor                     - enable use of ANSI escape codes in the tty
   com_altivec                       - enable use of altivec on PowerPC systems
@@ -500,6 +502,11 @@ Using HTTP/FTP Download Support (Server)
   that ioquake3 sets which is "ioQ3://{SERVER_IP}:{SERVER_PORT}".  For,
   example, Apache's mod_rewrite can restrict access based on HTTP_REFERER.
 
+  On a sidenote, downloading via UDP has been improved and yields higher data
+  rates now. You can configure the maximum bandwidth for UDP downloads via the
+  cvar sv_dlRate. Due to system-specific limits the download rate is capped
+  at about 1 Mbyte/s per client, so curl downloading may still be faster.
+
 Using HTTP/FTP Download Support (Client)
   Simply setting cl_allowDownload to 1 will enable HTTP/FTP downloads
   assuming ioquake3 was compiled with USE_CURL=1 (the default).