Continue using "setReferencePoint()" in Graphics 2.0

Requiring this function will re-enable obj:setReferencePoint() in Graphics 2.0 for the following objects:

• display.newGroup()
• display.newImageRect()
• display.newImage()
• display.newRect()
• display.newRoundedRect()
• display.newText()
• display.newEmbossedText()
• display.newCircle()
• display.newLine()
• display.newSprite()