Copyright for ruby-buff-extensions source package in Xenial

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: buff-extensions
Source: https://github.com/RiotGames/buff-extensions

Files: *
Copyright: 2012-2013 Riot Games
License: Apache-2.0

Files: debian/*
Copyright: 2014-2015 Miguel Landaeta 
License: Apache-2.0
Comment: the Debian packaging is licensed under the same terms as the original package.

License: Apache-2.0
 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.
 .
 On Debian systems, the full text of the Apache License, Version 2.0
 can be found in the file `/usr/share/common-licenses/Apache-2.0'.