Split out ServerParams from ConnParams

We need to track different things in the server and client, so
separate things to two independent structures to keep things more
clear.
diff --git a/common/rfb/CMsgWriter.h b/common/rfb/CMsgWriter.h
index 1322186..1f4b92d 100644
--- a/common/rfb/CMsgWriter.h
+++ b/common/rfb/CMsgWriter.h
@@ -30,14 +30,14 @@
 namespace rfb {
 
   class PixelFormat;
-  class ConnParams;
+  class ServerParams;
   struct ScreenSet;
   struct Point;
   struct Rect;
 
   class CMsgWriter {
   public:
-    CMsgWriter(ConnParams* cp, rdr::OutStream* os);
+    CMsgWriter(ServerParams* server, rdr::OutStream* os);
     virtual ~CMsgWriter();
 
     void writeClientInit(bool shared);
@@ -60,7 +60,7 @@
     void startMsg(int type);
     void endMsg();
 
-    ConnParams* cp;
+    ServerParams* server;
     rdr::OutStream* os;
   };
 }