Fix columbus view camera problems with web mercator projection.
Revert Volumes demo, but keep new ellipsoid size, and keep grid material.
Merge pull request #614 from AnalyticalGraphicsInc/columbusViewBounce

Fix columbus view camera problems with web mercator projection.
Restrict animation widget to snap to user-defined playback rates

Addresses issue #612.  Added a boolean which causes the shuttlering to always snap to the specified ticks.
Update CHANGES
Back out first attempt at grid multi-res system from EllipsoidPrimitive.

This is a revert of change 529a49556.
Update some default settings
Fix problems with binarySearch

1. A bad if statement made it impossible to search for 0 in a list of numbers.
2. Also updated AnimationViewModel to work if 0 is a specific tick value.
Fix typo.
Merge pull request #616 from AnalyticalGraphicsInc/issue612

Restrict animation widget to snap to user-defined playback rates
Merge commit 'e7d19405cb9717' into grid-material
Fix bad revert.
Rename holeAlpha to cellAlpha.
Merge remote-tracking branch 'origin/master' into grid-material
Merge branch 'grid-material' into czml-ellipsoid-grid
Update uniforms.