Public signup for this instance is disabled. Go to our Self serve sign up page to request an account. Report potential security issues privately
for more details see
http://stackoverflow.com/questions/10305181/android-phonegap-ajax-does-not-fire-callback-for-unauthorized-401
and
https://groups.google.com/forum/#!msg/phonegap/YKVGp8rRj9c/-ph6oRBOJHMJ
CB-2415 On iOS the ajax error/fail callback is not called after server returns error code 401/unauthorized
CB-2428 Javascript stops working on windows phone 8 when getting a 401 response from ajax