SuspendEvents also suspends recompositing on CompositeDynamicObjectCollection
Issue: https://github.com/AnalyticalGraphicsInc/cesium/issues/1452
make `shouldRecomposite` 'private' as `_shouldRecomposite`
Updating Contributing.md to remove confusing link to apache CLAs and updating contributors.md to include Aviture Inc
Merge with master
Fix bug in WallGeometry where it would fail to create the geometry when all points are withing espilon 6 of each other. Decreased to epsilon 14.
Update CHANGES.md.
Merge pull request #1483 from AnalyticalGraphicsInc/wallGeometry

Fix WallGeometry bug
Remove setting camera constrained axis every frame when following an object or after a home flight. It's a global setting and only needs to be set once.
Merge pull request #1484 from AnalyticalGraphicsInc/constrainedAxis

Camera Constrained Axis
Merge pull request #1469 from Aviture/master

SuspendEvents also suspends recompositing on...
Minor formatting clenaup.
Merge branch 'master' into dynamicScene-refactor