Beginning of SizeMultiple descriptor
Pixels.multiply()
Size.multiply()
SizeMultiple descriptor is complete
Descriptor creation documentation discusses property creation
ElementSize.times()
RelativeSize.times()
SizeMultiple.plus(), minus(), and times()
Rename multiply() --> times()
INTEGRATE: SizeMultiple descriptor

* dev:
  Rename multiply() --> times()
  SizeMultiple.plus(), minus(), and times()
  RelativeSize.times()
  ElementSize.times()
  Descriptor creation documentation discusses property creation
  SizeMultiple descriptor is complete
  Size.multiply()
  Pixels.multiply()
  Beginning of SizeMultiple descriptor