Cleanup
Tweak CHANGES.md
Reorg b21 in CHANGES.md
Merge branch 'dynamicObject-name' into balloon
Fix after merge.
Make name a string instead of a property.  It can still change, but it is not time-dynamic.
Merge branch 'balloon' into dataSourceBrowser
Use name property in DataSourceBrowser tree.
Show all objects, not just ones with position.
Add GeoJSON support to ListDataSourcePanel.
Add initial parent object support to DynamicObject.
Merge branch 'master' into dataSourceBrowser

Conflicts:
	CHANGES.md
Merge branch 'dynamicObject-parent' into dataSourceBrowser
First cut at a tree structure in the DataSourceBrowser

Regenerate simple.czml with heirarchy and descriptions
Remove 'document' object after loading CZML so it doesn't show up in the tree.
Merge branch 'balloon' into uberbranch
Merge branch 'dataSourceBrowser' into uberbranch

Conflicts:
	Source/Widgets/DataSourceBrowser/DataSourceBrowserViewModel.js