Remove gitmodules

Integrate api and lang into core

src/api/java/appeng/api/exceptions/RecipeError.java

@@ -0,0 +1,12 @@
+package appeng.api.exceptions;
+
+public class RecipeError extends Exception
+{
+
+	private static final long serialVersionUID = -6602870588617670262L;
+
+	public RecipeError(String n) {
+		super( n );
+	}
+
+}