[Quest API] Use binding library for perl apis (#2216)

* Add perlbind library

* Convert perl apis to perlbind

zone/embperl.h

@@ -18,22 +18,13 @@ Eglin
 #include <stdio.h>
 #include <string.h>
 
-//headers from the Perl distribution
-#include <EXTERN.h>
-#define WIN32IO_IS_STDIO
+// this option disables distinct int/float/string function argument types for
+// backwards compatibility with current perl api usage
+// e.g. quest::settimer(0, 1) using number for timer name instead of string
+#define PERLBIND_NO_STRICT_SCALAR_TYPES
+#include <perlbind/perlbind.h>
+namespace perl = perlbind;
 
-#ifndef WIN32
-extern "C" {	//the perl headers dont do this for us...
-#endif
-#if _MSC_VER
-#define __inline__ __inline
-#define __builtin_expect 
-#endif
-#include <perl.h>
-#include <XSUB.h>
-#ifndef WIN32
-};
-#endif
 #ifdef WIN32
 #define snprintf _snprintf
 #endif