Restructuring project.

Restructuring the project for Ant/Emacs development instead of using
the PDE. Moved all sketch files into the org.jbromley.crystallize
package under the src directory.
Added Ant build file.
Modified build.xml.

Modified build.xml to change from the ColorTiles sketch to this
(Crystallize) sketch.
Made Crystallize sketch a standalone.

Modified the Crystallize sketch code so that it could be run from
the command line using Ant and a build.xml.
Made attach spark larger.

Made the spark shown when a particle attaches to the crystal larger.