IE8 const keyword - Invalid Idetifier

[sitorush]

Hi,

Would you consider to rename the 'const' property in the new version? It brakes in ie8.

https://github.com/marcoslin/angularAMD/blob/master/dist/angularAMD.js#L414

Thanks

[marcoslin]

Ok, will fix but can't do anything before 2nd week of Aug.