Change build script to Ant. run.sh cleans up.

The build.sh script was crap.  The Ant script is better and more
flexible.

The run.sh script is moved to the root of the project and:

* Compiles.
* Run the jar
* Clean up.

In this order.
Merge pull request #2 from aybabtme/build

Change build script to Ant. run.sh cleans up its mess.