terrain and imagery providers
Merge branch 'master' into getSetImageTerrainProperties
terrain inspector
fix doc
Update CHANGES.md
Add properties to interfaces
fix doc
Merge branch 'master' into getSetImageTerrainProperties

Conflicts:
	CHANGES.md
	Source/Scene/ArcGisMapServerImageryProvider.js
	Source/Scene/BingMapsImageryProvider.js
	Source/Scene/CentralBody.js
	Source/Scene/CentralBodySurface.js
	Source/Scene/GoogleEarthImageryProvider.js
	Source/Scene/GridImageryProvider.js
	Source/Scene/ImageryLayer.js
	Source/Scene/SingleTileImageryProvider.js
	Source/Scene/TileCoordinatesImageryProvider.js
	Source/Scene/WebMapServiceImageryProvider.js
	Specs/Scene/ArcGisMapServerImageryProviderSpec.js
	Specs/Scene/BingMapsImageryProviderSpec.js
	Specs/Scene/GoogleEarthImageryProviderSpec.js
	Specs/Scene/GridImageryProviderSpec.js
	Specs/Scene/OpenStreetMapImageryProviderSpec.js
	Specs/Scene/SingleTileImageryProviderSpec.js
	Specs/Scene/TileCoordinatesImageryProviderSpec.js
	Specs/Scene/TileMapServiceImageryProviderSpec.js
	Specs/Scene/WebMapServiceImageryProviderSpec.js
Add missing pragma.
using precached
Update CHANGES.md
Merge pull request #1513 from AnalyticalGraphicsInc/getSetImageTerrainProperties

Replace get/set functions with properties - Imagery and Terrain Providers