AnalyticalGraphicsInc/cesium — pull request #980 by shunter (2013-07-25 20:44:56+00:00)
Title: Properly call error event and reject promises when data sources fail to load.

The error event didn't work in `CzmlDataSource` and both `CzmlDataSource` and `GeoJsonDataSource` silently swallowed their promise failure. Added specs for both.