- Moved FML into core folder

- Endurance plugin
- map class nbCheckpoints
- added script callbacks registration

application/core/FML/Script/ScriptFeature.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace FML\Script;
+
+/**
+ * Interface representing a script feature
+ *
+ * @author steeffeen
+ */
+interface ScriptFeature {
+}
+
+?>