Adding automatic port swapping to ICPad

- Works the same as the bootloader variant, waits 1000 ms before attempting to swap
  Only swaps if USB not already intialized
  If USB never initializes, will swap forever

TODO
- Stop swapping if UARTConnect detected and initialized

Scan/PortSwap/port_scan.h

@@ -0,0 +1,30 @@
+/* Copyright (C) 2015 by Jacob Alexander
+ *
+ * This file is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <stdint.h>
+
+
+
+// ----- Functions -----
+
+void Port_setup();
+uint8_t Port_scan();
+