Reformat code inline to lifecycle.
Assert invalidation required when setting frame rate.
Frame rate optional argument in rendered viewport constructor.
Add missing super statement to override.
Add missing super statement to override.
Reformat code.
Move all inline initialization to initialize function.
Render error default id changed to undefined when not specified.
Separating initialization vs stage lifecycle stages.
Removed from stage and dispose stub handler.
Merge branch 'develop'

* develop:
  Removed from stage and dispose stub handler.
  Separating initialization vs stage lifecycle stages.
  Render error default id changed to undefined when not specified.
  Move all inline initialization to initialize function.
  Reformat code.
  Add missing super statement to override.
  Add missing super statement to override.
  Frame rate optional argument in rendered viewport constructor.
  Assert invalidation required when setting frame rate.
  Reformat code inline to lifecycle.