Issue #705 - Replace pseudo-private functions with file-scoped functions

Renderer module fixed
fixed typo
fixed typo
Merge remote-tracking branch 'upstream/master'
Fix two crashes.

1. `PolylineCollection` would try and clone an undefined BoundingSphere
2. `CustomSensorVolume` had a bad function call due to the recent "private" function work.
Fix white space and line-ending issues introduced in #724
Merge branch 'master' into twoCrashes
Changes after review.
Merge pull request #730 from ognjenb/master

Issue #705 - Replace pseudo-private functions with file-scoped functions -  Renderer
Merge pull request #734 from AnalyticalGraphicsInc/twoCrashes

Fix two crashes.
Merge branch 'master' into sun