Moves src folder to simplify build.gradle configuration. If JSON-Java source is merged, it's src fold would now be src/main/java/org.json/ instead of src/main/org.json as well.

src/test/java/org/json/junit/TestRunner.java

@@ -0,0 +1,19 @@
+package org.json.junit;
+
+import org.junit.runner.JUnitCore;
+import org.junit.runner.Result;
+import org.junit.runner.notification.Failure;
+
+/**
+ * Invoke this class main method if you want to run unit tests from the
+ * command line. If successful, will print "true" to stdout.
+ */
+public class TestRunner {
+   public static void main(String[] args) {
+      Result result = JUnitCore.runClasses(JunitTestSuite.class);
+      for (Failure failure : result.getFailures()) {
+         System.out.println(failure.toString());
+      }
+      System.out.println(result.wasSuccessful());
+   }
+}