Relocate Source to proper directory.

src/main/java/appeng/crafting/CraftBranchFailure.java

@@ -0,0 +1,17 @@
+package appeng.crafting;
+
+import appeng.api.storage.data.IAEItemStack;
+
+public class CraftBranchFailure extends Exception
+{
+
+	private static final long serialVersionUID = 654603652836724823L;
+
+	IAEItemStack missing;
+
+	public CraftBranchFailure(IAEItemStack what, long howMany) {
+		super( "Failed: " + what.getItem().getUnlocalizedName() + " x " + howMany );
+		missing = what.copy();
+		missing.setStackSize( howMany );
+	}
+}