Add test targets to build.xml
In build.xml turn off includeAntRuntime

To fix the warning
Add build and test instructions to README
In build.xml run python tests directly

(since the run tests script is now gone).
Greatly speed up tests by not constantly forking JVMs
Put SimulationTest output in a sub dir of test_results

Instead of writing to the root directory.
Add option to build.xml to run one test
Merge pull request #132 from davidshepherd7/ant_tests

Add testing capabilities to build.xml (for ant)