Revert "Latest ember"

This reverts commit 965a1ec0c9dbda19ca0e3f45ce71ba6977a9f717.
Revert "based on addyosmani / todomvc / ember"

This reverts commit d15e83211f590861499d29f73037145a33c93c39.
based on addyosmani / todomvc / ember