(svn r7172) -Fix [r6931]: The console showed '?' characters instead of colours. Now strip all

colours for the console. It's a bit magicky (magic numbers) but UTF8 fixes that soon.

string.h

@@ -29,6 +29,9 @@ char* CDECL str_fmt(const char* str, ...);
  * replaces them with a question mark '?' */
 void str_validate(char *str);
 
+/** Scans the string for colour codes and strips them */
+void str_strip_colours(char *str);
+
 /**
  * Valid filter types for IsValidAsciiChar.
  */