Moved change to 1.22

CHANGES.md

@@ -11,6 +11,7 @@ Change Log
 * Fixed exaggerated terrain tiles disappearing. [#3676](https://github.com/AnalyticalGraphicsInc/cesium/issues/3676)
 * Fixed infinite horizontal 2D scrolling in IE/Edge. [#3893](https://github.com/AnalyticalGraphicsInc/cesium/issues/3893)
 * Fixed a bug that could cause incorrect normals to be computed for exaggerated terrain, especially for low-detail tiles. [#3904](https://github.com/AnalyticalGraphicsInc/cesium/pull/3904)
+* Fixed issue where labels were disappearing. [3730](https://github.com/AnalyticalGraphicsInc/cesium/issues/3730)
 
 ### 1.21 - 2016-05-02
 
@@ -25,7 +26,6 @@ Change Log
 * Fixed issue causing the fog to go dark and the atmosphere to flicker when the camera clips the globe. [#3178](https://github.com/AnalyticalGraphicsInc/cesium/issues/3178)
 * Fixed a bug that caused an exception and rendering to stop when using `ArcGisMapServerImageryProvider` to connect to a MapServer specifying the Web Mercator projection and a fullExtent bigger than the valid extent of the projection. [#3854](https://github.com/AnalyticalGraphicsInc/cesium/pull/3854)
 * Fixed issue causing an exception when switching scene modes with an active KML network link. [#3865](https://github.com/AnalyticalGraphicsInc/cesium/issues/3865)
-* Fixed issue where labels were disappearing. [3730](https://github.com/AnalyticalGraphicsInc/cesium/issues/3730)
 
 ### 1.20 - 2016-04-01