init outline
Merge branch 'master' into corridorOutline

Conflicts:
	Source/Core/CorridorGeometry.js
finish merge
clean up wall indices, add tests
sandcastle example
Merge branch 'master' into corridorOutline

Conflicts:
	CHANGES.md
clean up from merge
Merge branch 'master' into corridorOutline
fix bounding spheres
corner type doc, change extruded lines
correct scale to height
change functions to file scope
Merge pull request #1099 from hpinkos/corridorOutline

Corridor outline