Revert node-xcode branch reference from package.json

Author: tdermendjiev

package.json

@@ -73,7 +73,7 @@
     "uuid": "3.0.1",
     "winreg": "0.0.17",
     "ws": "5.1.0",
-    "xcode": "https://github.com/NativeScript/node-xcode/archive/tdermendzhiev/fix-addpbxgroup.tar.gz",
+    "xcode": "https://github.com/NativeScript/node-xcode/archive/1.4.0.tar.gz",
     "xml2js": "0.4.19",
     "xmldom": "0.1.21",
     "xmlhttprequest": "https://github.com/telerik/node-XMLHttpRequest/tarball/master",