Revert "Bug 1090301 - replace ng-bind with bind-once"

This reverts commit a7cf4908b25e8655fab7cad53ecce245ad9fc54c.
Revert "bug 1091932 - change {{ }} entries to on-way binding where possible"

This reverts commit b548ebcc763e112cf079e5de093d529f1555a8ab.