Making Papa require friendly. Added functionality to return Papa obj is app is using require

papaparse.js

@@ -1432,4 +1432,11 @@
 	{
 		return typeof func === 'function';
 	}
+
+	// if requirejs is available, return Papa
+	if (typeof define === "function" && define.amd) {
+	    define('papaparse', [], function() {
+	    	return global.Papa;
+    	});
+	}
 })(this);