Relocate Source to proper directory.

src/main/java/appeng/helpers/AEMultiTile.java

@@ -0,0 +1,10 @@
+package appeng.helpers;
+
+import appeng.api.implementations.tiles.IColorableTile;
+import appeng.api.networking.IGridHost;
+import appeng.api.parts.IPartHost;
+
+public interface AEMultiTile extends IGridHost, IPartHost, IColorableTile
+{
+
+}