Fix test file and IntlShim

[wkeese]

1. quick fix to make IntlShim.js work on browsers other than Chrome. As I mentioned before, it should really use has!
2. fix test file in various ways, including not claiming that your code's output is "native"

[ashensis]

I am out of the office until 22/04/2014.

I will respond to your message when I return after Jewish Passower
Holidays,

Note: This is an automated response to your message "[ecma402] Fix test
file and IntlShim (#13)" sent on 15/04/2014 6:16:53.

This is the only notification you will receive while this person is away.

[wajnberg]

I am out of the office until 04/23/2014.

I will respond to your message when I return.
For emergency cases you can contact me on
00 972 58 778 8079

Note: This is an automated response to your message "[ecma402] Fix test
file and IntlShim (#13)" sent on 15/04/2014 6:16:53.

This is the only notification you will receive while this person is away.