add getName() method to Repository

src/de/uni_passau/fim/seibt/gitwrapper/repo/Repository.java

@@ -270,6 +270,15 @@ public class Repository {
         return dir;
     }
 
+    /**
+     * Returns the name of the directory this {@link Repository} is based in.
+     *
+     * @return the name of the {@link Repository}
+     */
+    public String getName() {
+        return getDir().getName();
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {