Update LICENSE.md and CLA.md to reflect the new Apache 2.0 license

CLA.md

 # Contributor License Agreement
 
-The following terms are used throughout this agreement:
+```
+By making a contribution to this project, I certify that:
 
-**You** - the person or legal entity including its affiliates asked to accept this agreement.
-An affiliate is any entity that controls or is controlled by the legal entity, or is under common control with it.
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the Apache 2.0 license; or
 
-**Project** - is an umbrella term that refers to any and all Home Assistant open source projects.
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the Apache 2.0 license; or
 
-**Contribution** - any type of work that is submitted to a Project, including any modifications or additions to existing work.
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
 
-**Submitted** - conveyed to a Project via a pull request, commit, issue, or any form of electronic, written, or
-verbal communication with Home Assistant, contributors or maintainers.
-
-# 1. Grant of Copyright License.
-
-Subject to the terms and conditions of this agreement, You grant to the Projects’ maintainers, contributors,
-users and to Home Assistant a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce,
-prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Your contributions and such
-derivative works. Except for this license, You reserve all rights, title, and interest in your contributions.
-
-# 2. Grant of Patent License.
-
-Subject to the terms and conditions of this agreement, You grant to the Projects’ maintainers, contributors, users and to
-Home Assistant a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent
-license to make, have made, use, offer to sell, sell, import, and otherwise transfer your contributions, where such license
-applies only to those patent claims licensable by you that are necessarily infringed by your contribution or by combination of
-your contribution with the project to which this contribution was submitted.
-
-If any entity institutes patent litigation - including cross-claim or counterclaim in a lawsuit - against You alleging that
-your contribution or any project it was submitted to constitutes or is responsible for direct or contributory patent infringement,
-then any patent licenses granted to that entity under this agreement shall terminate as of the date such litigation is filed.
-
-# 3. Source of Contribution.
-
-Your contribution is either your original creation, based upon previous work that, to the best of your knowledge,
-is covered under an appropriate open source license and you have the right under that license to submit that work with modifications,
-whether created in whole or in part by you, or you have clearly identified the source of the contribution and any license or other
-restriction (like related patents, trademarks, and license agreements) of which you are personally aware.
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it) is maintained indefinitely
+    and may be redistributed consistent with this project or the open
+    source license(s) involved.
+```
 
 ## Attribution
 
-This Contributor License Agreement is adapted from the [GitHub CLA][github-cla].
+The text of this license is available under the [Creative Commons Attribution-ShareAlike 3.0 Unported License](http://creativecommons.org/licenses/by-sa/3.0/).  It is based on the Linux [Developer Certificate Of Origin](http://elinux.org/Developer_Certificate_Of_Origin), but is modified to explicitly use the Apache 2.0 license
+and not mention sign-off.
 
 ## Signing
 
@@ -50,5 +36,4 @@ To sign this CLA you must first submit a pull request to a repository under the
 
 This Contributor License Agreement (CLA) was first announced on January 21st, 2017 in [this][cla-blog] blog post and adopted January 28th, 2017.
 
-[github-cla]: https://cla.github.com/agreement
 [cla-blog]: https://home-assistant.io/blog/2017/01/21/home-assistant-governance/

LICENSE.md

-The MIT License (MIT)
-=====================
-
-Copyright © `2013-2017` `Paulus Schoutsen`
-
-Permission is hereby granted, free of charge, to any person
-obtaining a copy of this software and associated documentation
-files (the “Software”), to deal in the Software without
-restriction, including without limitation the rights to use,
-copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following
-conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
+Apache License
+==============
+
+_Version 2.0, January 2004_
+_&lt;<http://www.apache.org/licenses/>&gt;_
+
+### Terms and Conditions for use, reproduction, and distribution
+
+#### 1. Definitions
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+“License” shall mean the terms and conditions for use, reproduction, and
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