gen_esp32part.py: Update documentation link, add license

components/partition_table/gen_esp32part.py

@@ -4,8 +4,22 @@
 #
 # Converts partition tables to/from CSV and binary formats.
 #
-# See http://esp-idf.readthedocs.io/en/latest/partition-tables.html for explanation of
-# partition table structure and uses.
+# See http://esp-idf.readthedocs.io/en/latest/api-guides/partition-tables.html
+# for explanation of partition table structure and uses.
+#
+# Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 from __future__ import print_function, division
 import argparse
 import os