feat(ng:switch): Preserve the order of the elements not in the ng-switch

Preserve the order of the elements that are not part of a case nor default in
a ng-switch directive

BREAKING CHANGE: elements not in the ng-switch were rendered after the
    ng-switch elements.  Now they are rendered in-place.

    Ng-switch directives should be updated with non ng-switch elements
    in render-order.  e.g.

    The following was previously rendered with <li>1</li> after "2":

    <ul ng-switch="select">
        <li>1</li>
        <li ng-switch-when="option">2</li>
    </ul>

    To keep the old behaviour, say:

    <ul ng-switch="select">
        <li ng-switch-when="1">2</li>
        <li>1</li>
    </ul>

Closes #1074