App can now be built using Ant and run from the JAR file.

Note: this requires adding the res/lib folder to the classpath in order to run in Eclipse (included in this commit).
Another commit will follow to remove build artifacts from git.

.classpath

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="res/img"/>
+	<classpathentry kind="src" path="test"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="lib" path="lib/junit-4.10.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>