Merge pull request #1391 from casperlamboo/feature/script-src-property

Make the location of the system.js script accessible

lib/core.js

@@ -53,6 +53,9 @@ hookConstructor(function(constructor) {
     // support map and paths
     this.map = {};
 
+    // make the location of the system.js script accessible
+    if ($__curScript !== undefined) this.scriptSrc = $__curScript.src;
+
     // global behaviour flags
     this.warnings = false;
     this.defaultJSExtensions = false;