Both DOM and UI utils had a removeAllChildren method that did the same thing. This change removes it from the UI util and replaces all calls to it with calls to the DOM util. Issue #1157. Change-Id: Iaf7998c460c03416d8651e2efd53c96bdcc9a258
Fixes #1674 Change-Id: I338917bbd43a6ddc837388fdc8beea9e3f7b0778
Change-Id: I59bd837a3542636c98fa8ecec6d6d0e7dfd64e23
Change-Id: Ia0941868f20dbb42fa0fe02a639015ac244a65ed