Added insertIntoAllBins for a small 0.02% performance win
Merge branch 'master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Avoid moving near plane closer for the closest frustum
Merge remote-tracking branch 'origin/master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Merge branch 'master' into multifrustum
Merge branch 'master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Merge remote-tracking branch 'origin/master' into multifrustum
Optimize polyline collection bounding spheres.
Merge master into polylineBoundingSphere.
Clone bounding sphere after creating a command instead of union with previous.
Merge branch 'master' into polylineBoundingSphere
Add test.
Merge branch 'master' into polylineBoundingSphere
Bail out of render loop if CesiumWidget/Viewer is destroyed.

This fixes a number of uncaught exceptions while running specs.  If the widget is destroyed, calling resize throws an exception, which is caught, but the exception handler then tries to raise onRenderLoopError, which has become undefined, which throws again.
Update CHANGES.md.