Updating angular.js to 1.2.9 + back fill

Sources: http://code.angularjs.org/*

Added missing versions, fixed some files reporting as min’d but
weren’t, the sneaky varmints.

Addresses https://github.com/cdnjs/cdnjs/issues/1188 - I think. Can be
closed if it does.
Merge pull request #2553 from petecooper/master

Updating angular.js to 1.2.9 + back fill