created Beside operation; added test; started center function (not
working yet)
Added the Above class
Renamed Above to Above.scala because I forgot to type .scala
Update Graphic.scala

Added the above method
middle of adding bounds to graphics
All graphic subtypes implement bounds; simplified Above and Beside
render
Added reference points for composing; preliminary implementation
Update Above.scala
Update Beside.scala
Update Transform.scala
Removed Above, Beside and Over and put them into composite class.
consolidated Composite; above, beside translate prior to compositing;
added test for scaling
Update Graphic.scala
Update Blank.scala
Create Smashed.scala
Update Smashed.scala

Fixed a typo.
fixes bug introduced by changes to Blank
fixes bug in alignment operations
adding test for text alignment