Cesium: Default CV view is now straight down like 2D

[pjcozzi]

For example, just switch to CV in Viewer: http://cesiumjs.org/releases/1.20/Apps/CesiumViewer/index.html

Was this change intention?

[hpinkos]

Brought up on the forum: https://groups.google.com/forum/?hl=en#!topic/cesium-dev/Gn4jOl0wQmk

I think this slipped through when we changed the scene mode transitions. It should be changed back to be tilted after the transition.

[lilleyse]

@JoshuaStorm Here's another one you can work on next.

[hpinkos]

Mentioned on the forum again here: https://groups.google.com/forum/?hl=en#!topic/cesium-dev/q2OO2oUzdgQ

[ggetz]

Taking a look at this now.