Remove unnecessary usage of #include <iostream>. Rename templated impls from .cc to -impl.h.

src/frontend/mosh-server.cc

@@ -89,7 +89,7 @@
 #define _PATH_BSHELL "/bin/sh"
 #endif
 
-#include "networktransport.cc"
+#include "networktransport-impl.h"
 
 typedef Network::Transport< Terminal::Complete, Network::UserStream > ServerConnection;
 

src/frontend/stmclient.cc

@@ -60,7 +60,7 @@
 #include "select.h"
 #include "timestamp.h"
 
-#include "networktransport.cc"
+#include "networktransport-impl.h"
 
 void STMClient::resume( void )
 {