Add Apache License, Version 2.0 to @PlatformIO docs

scripts/docspregen.py

@@ -121,6 +121,18 @@ def generate_platform(name):
     print "Processing platform: %s" % name
     lines = []
 
+    lines.append("""..  Copyright 2014-2015 Ivan Kravets <me@ikravets.com>
+    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.
+""")
+
     lines.append(".. _platform_%s:" % name)
     lines.append("")