Fix scripts

Author: Fatme Havaluova

bin/ios-sim-portable

@@ -1,2 +1,4 @@
-#!/usr/bin/env node
-require("../lib/ios-sim.js");
+#!/bin/sh
+
+SIM_DIR="`dirname \"$0\"`"
+node "$SIM_DIR/appbuilder.js" $@

bin/ios-sim-portable.js

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require("../lib/ios-sim.js");