remove maptiler generated htmls, remove default credit, use getNumberOfYTilesAtLevel, allow user defined tiling scheme
Fix failing tests that I didn't catch before merging #282
Updated CHANGES.md
Update camera controller and screen space camera controller with only scene mode and projection.
Merge pull request #372 from AnalyticalGraphicsInc/morph-lookAt

Camera look-at while morphing.
Combine camera Sandcastle examples and remove tilt in reference frame example.
Cancel camera animations when another example button is clicked.
Disable mouse input on camera flight in the Sandcastle examples.
Merge pull request #373 from AnalyticalGraphicsInc/camera-example

Camera examples.
Update Natural Earth
Use linear interpolation for flights with only two control points (only the height varies).
Modify flight examples to check if start and end positions are the same.
Fix tests that were broken because of recent merge.
Fix multifrustum crash where the near plane distance was greater than the far plane distance.
Add comment to the bounds check on the computed near and far planes.
Merge branch 'master' into flight
Add tests for flights that only differ in height and have the same start and end points. Fix bug uncovered by test.
Merge pull request #376 from AnalyticalGraphicsInc/multifrustum-crash

Fix Multi-frustum crash.
Fix a few unit tests that weren't testing what they thought they were testing.
Merge pull request #374 from AnalyticalGraphicsInc/flight

Camera flight exception