* Add con_log.c to log all console output

* Add con_passive.c to cut down on #ifdef DEDICATED in sys_main.c
* Add Sys_ErrorDialog to report ERR_FATALs to the user
  + On Windows use a MessageBox and offer to copy the console log to the
    clipboard
  + On everything else print to the terminal and save the console log as
    crashlog.txt

code/sys/con_win32.c

@@ -130,21 +130,12 @@ static void CON_HistNext( void )
 }
 
 
-/*
-==================
-CON_Hide
-==================
-*/
-void CON_Hide( void )
-{
-}
-
 /*
 ==================
 CON_Show
 ==================
 */
-void CON_Show( void )
+static void CON_Show( void )
 {
 	CONSOLE_SCREEN_BUFFER_INFO binfo;
 	COORD writeSize = { MAX_EDIT_LINE, 1 };
@@ -155,7 +146,7 @@ void CON_Show( void )
 
 	GetConsoleScreenBufferInfo( qconsole_hout, &binfo );
 
-	// if we' re in the middle of printf, don't bother writing the buffer
+	// if we're in the middle of printf, don't bother writing the buffer
 	if( binfo.dwCursorPosition.X != 0 )
 		return;
 
@@ -249,10 +240,10 @@ void CON_Init( void )
 
 /*
 ==================
-CON_ConsoleInput
+CON_Input
 ==================
 */
-char *CON_ConsoleInput( void )
+char *CON_Input( void )
 {
 	INPUT_RECORD buff[ MAX_EDIT_LINE ];
 	DWORD count = 0, events = 0;
@@ -353,3 +344,15 @@ char *CON_ConsoleInput( void )
 
 	return qconsole_line;
 }
+
+/*
+==================
+CON_Print
+==================
+*/
+void CON_Print( const char *msg )
+{
+	fputs( msg, stderr );
+
+	CON_Show( );
+}