Fix javadoc for module "runner" (#396)

Author: dr0i

metafacture-runner/src/main/java/org/metafacture/runner/Flux.java

@@ -47,6 +47,13 @@ private Flux() {
         // No instances allowed
     }
 
+    /**
+     * Runs the Flux.
+     *
+     * @param args the pathname of the flux file to run
+     * @throws IOException
+     * @throws RecognitionException
+     */
     public static void main(final String[] args) throws IOException, RecognitionException {
         loadCustomJars();
 

metafacture-runner/src/main/java/org/metafacture/runner/util/DirectoryClassLoader.java

@@ -49,6 +49,12 @@ public DirectoryClassLoader(final ClassLoader parent) {
         super(new URL[0], parent);
     }
 
+    /**
+     * Adds a directory and appends all jars and classes of that directory to the
+     * list of URLs to search for classes and resources.
+     *
+     * @param dir the directory as File to be added
+     */
     public void addDirectory(final File dir) {
         for (final File file : dir.listFiles(JAR_AND_CLASS_FILTER)) {
             try {