scroll on all tabs, initial geometry examples, add showcase tab, move all tab to last position
Merge branch 'master' into geoTutorial
Merge branch 'master' into geoTutorial
finished sandcastle examples
polyline examples
scale bounding sphere
correct bounding sphere scale.
cleanup
add translucent shapes, rename everything
changes
cleanup
Fix issue #1166.
Merge branch 'master' into geoTutorial

Conflicts:
	Apps/Sandcastle/CesiumSandcastle.js
	CHANGES.md
Merge branch 'master' into scaleBoundingSphere

Conflicts:
	Source/Core/BoundingSphere.js
cleanup
Fix CZML object deletion
Remove unused variable.
Merge pull request #1179 from AnalyticalGraphicsInc/unused-var

Remove unused variable.
Merge pull request #1178 from evax/fixCzmlDelete

Fix CZML object deletion
Put back unit test for CZML `delete` packet.