cesium

When camera.roll = 0, the camera.changed event doesn't fire when changes only occur to the heading. e.g. if the user is looking down and rotates the camera. This causes issues with our compass not updating.

Sandcastle example:

Try the rotate buttons in the sandcastle below, you'll see that the camera.changed event is fired only when the roll =/= 0:
[Sandcastle](https://sandcastle.cesium.com

The Story display panel at the bottom of the screen has some alignment issues in one of the corners:

We should fix this so the lines align.

Currently the password modal for changing a password has very basic validation handling (it won't allow submission if both passwords don't match).

Would like to have a regex for secure passwords based around the recommendations the modal gives to the user as well as feedback whether the password isn't strong or the confirmation password doesn't match.