initial draw poly example
Merge remote-tracking branch 'agi/master' into draw-poly
improve readability etc
Add Camera Tutorial example to the Sandcastle to accompany the blog post.
Fix camera event aggregation in the ScreenSpaceCameraController.
Add test for ScreenSpaceCameraController.
Update CHANGES.md.
Merge pull request #512 from AnalyticalGraphicsInc/event-aggregator

Fix event aggregation bug.
Add instructions to the camera tutorial example in the Sandcastle.
Merge branch 'master' into camera-tutorial
Update based on review.
Fix jslint warnings.
Update look speed.
Merge pull request #511 from AnalyticalGraphicsInc/camera-tutorial

Camera Tutorial
Merge remote-tracking branch 'agi/master' into draw-poly
Use destroy() on _mouseHandler instead of empty functions.  Update CHANGES.md
Remove unnecessary copy of Ant documentation, saving 30 megs.
Add an Ant task that runs JSHint.

Settings are read from the Eclipse JSHint plugin file so they will always be in sync.
Add Sandcastle thumbnail.
Run JSHint on the scripts in Sandcastle examples too.

This also builds the JSHint options for Sandcastle as part of the build process so that they stay in sync with the Eclipse JSHint settings.