renamed platforms.
renamed a method.
minor optimization.
code simplification.
cosmetics.
appleseed::studio::CameraController now emits signals when the camera starts or stops changing.
the Tangent and Bitangent modes of the diagnostic surface shader are now based on the actual tangent vectors instead of dP/du and dP/dv.
AOV images are no longer restricted to 4 channels.
scene picking now prints the depth at the picking point.
renamed methods for consistency.
updated template source files.
Merge branch 'master' of github.com:appleseedhq/appleseed