Created a sample application that serves CZML over HTTP.
Merge remote-tracking branch 'origin/master' into example-server
Merge remote-tracking branch 'origin/master' into example-server
Changes after review.
Update to Cesium 1.2.

Remove the sanitization override, since that was a workaround for a Cesium bug.
Merge pull request #90 from AnalyticalGraphicsInc/example-server

Add an example app to serve CZML over HTTP.