Tools: added script for creating apj file from *.bin

useful when you have a binary firmware and want to be able to upload
it with uploader.py

Tools/scripts/make_apj.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+'''
+Create an apj file from a *.bin binary firmware
+'''
+
+import argparse
+import json
+import base64
+import zlib
+
+parser = argparse.ArgumentParser(description='make_apj')
+
+parser.add_argument('bin')
+parser.add_argument('apj')
+parser.add_argument('--board-id', type=int, default=1, help='board ID')
+
+args = parser.parse_args()
+
+img = open(args.bin, 'rb').read()
+d = {
+    "board_id": int(args.board_id),
+    "magic": "APJFWv1",
+    "description": "Firmware for a %s" % args.bin,
+    "image": base64.b64encode(zlib.compress(img, 9)).decode('utf-8'),
+    "summary": args.bin,
+    "version": "0.1",
+    "image_size": len(img),
+    "board_revision": 0
+}
+
+f = open(args.apj, "w")
+f.write(json.dumps(d, indent=4))
+f.close()