Copyright 2015 Canonical Ltd. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranties of MERCHANTABILITY, SATISFACTORY QUALITY, 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 program. If not, see Alternatively, this program may be used under the terms of the Apache License, Version 2.0, in which case the provisions of that license are applicable instead of those above. If you wish to allow use of your version of this program under the terms of the Apache License, Version 2.0 only, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the Apache License, Version 2.0. If you do not delete the provisions above, a recipient may use your version of this file under the terms of either the GPLv3 or the Apache License, Version 2.0.