Added auto downloader for the mysql connector

Moved mysql connector to lib/

src/de/diddiz/util/Download.java

@@ -0,0 +1,28 @@
+package de.diddiz.util;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+
+public class Download
+{
+	public static void download(URL u, File file) throws Exception {
+		if (!file.getParentFile().exists())
+			file.getParentFile().mkdir();
+		if (file.exists())
+			file.delete();
+		file.createNewFile();
+		InputStream in = u.openStream();
+		OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
+		byte[] buffer = new byte[1024];
+		int len;
+		while ((len = in.read(buffer)) >= 0) {
+			out.write(buffer, 0, len);
+		}
+		in.close();
+		out.close();
+	}
+}