Fix issue #12

We really need better high-level camera control in Cesium.  When you switch the transform, you need to manually recompute the other camera coordinates.  We should have a funciton to do this for us, I'll write a Cesium issue.
Merge pull request #15 from AnalyticalGraphicsInc/issue12

Fix zoom to polygon when already following the ISS
Merge remote-tracking branch 'origin/master' into license