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
Disable default scaling of DynamicBillboards for now until better
defaults are identified or improved control over this feature can be
defined.

Signed-off-by: Alex Wood <abwood@gmail.com>
Merge pull request #1106 from abwood/issue93

Disable default near/far scaling of DynamicBillboards
update build.xml to version v20
Merge branch 'master' into corridorOutline
fix bounding spheres
Fix typos in DynamicObjectView
corner type doc, change extruded lines
correct scale to height
change functions to file scope
Merge pull request #1108 from evax/fixTyposInDynamicObjectView

Fix typos in DynamicObjectView
Expose CZML helper functions.

#1080 accidentally removed some helper functions needed for custom CZML processing.  I expect these function to go away in the near future, but they are definitely needed for now in apps that use custom CZML.

CC @emackey
Merge remote-tracking branch 'origin/master' into expose-processPacketData
Merge pull request #1099 from hpinkos/corridorOutline

Corridor outline