Fix path for invTweaks config. make me chets notify when internal handler ready (#863)

src/main/java/appeng/tile/storage/TileChest.java

@@ -222,6 +222,8 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, IFluidHan
 
                     this.itemCell = this.wrap(itemCell);
                     this.fluidCell = this.wrap(fluidCell);
+
+                    markDirty();
                 }
             }
         }

src/main/java/appeng/util/InvTweakSortingModule.java

@@ -32,7 +32,7 @@ public class InvTweakSortingModule {
 
     private static InvTweaksItemTree tree = null;
     public static final File MINECRAFT_DIR = Minecraft.getMinecraft().mcDataDir;
-    public static final File MINECRAFT_CONFIG_DIR = new File(MINECRAFT_DIR, "config/");
+    public static final File MINECRAFT_CONFIG_DIR = new File(MINECRAFT_DIR, "config/AppliedEnergistics2");
     public static final File CONFIG_TREE_FILE = new File(MINECRAFT_CONFIG_DIR, "InvTweaksTree.txt");
 
     public static void init() {