Open collective tweaks (#79)

* fix markdown syntax

* move link to becoming a sponsor

* update copyright year

* fix broken link to graphs/contributors

* and one more incorrect link

Author: Lars-Magnus Skog

CONTRIBUTING.md

@@ -39,7 +39,7 @@ You can also reach us at [email protected].
 ### Contributors
 
 Thank you to all the people who have already contributed to level!
-<a href="graphs/contributors"><img src="https://opencollective.com/level/contributors.svg?width=890" /></a>
+<a href="https://github.com/Level/level/graphs/contributors"><img src="https://opencollective.com/level/contributors.svg?width=890" /></a>
 
 
 ### Backers
@@ -64,4 +64,4 @@ Thank you to all our sponsors! (please ask your company to also support this ope
 <a href="https://opencollective.com/level/sponsor/8/website" target="_blank"><img src="https://opencollective.com/level/sponsor/8/avatar.svg"></a>
 <a href="https://opencollective.com/level/sponsor/9/website" target="_blank"><img src="https://opencollective.com/level/sponsor/9/avatar.svg"></a>
 
-<!-- This `CONTRIBUTING.md` is based on @nayafia's template https://github.com/nayafia/contributing-template -->
+<!-- This `CONTRIBUTING.md` is based on @nayafia's template https://github.com/nayafia/contributing-template -->

README.md

@@ -402,22 +402,21 @@ db.on('put', function (key, value) {
 
 See the [`CONTRIBUTING.md`](https://github.com/Level/community/blob/master/CONTRIBUTING.md) file for more details.
 
-<a name="license"></a>
 ## Contributors
 
-This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
-<a href="graphs/contributors"><img src="https://opencollective.com/level/contributors.svg?width=890" /></a>
+This project exists thanks to all the people who contribute. [Contribute](CONTRIBUTING.md).
 
+<a href="https://github.com/Level/level/graphs/contributors"><img src="https://opencollective.com/level/contributors.svg?width=890" /></a>
 
 ## Backers
 
-Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/level#backer)]
+Thank you to all our backers! 🙏  [Become a backer](https://opencollective.com/level#backer)
 
 <a href="https://opencollective.com/level#backers" target="_blank"><img src="https://opencollective.com/level/backers.svg?width=890"></a>
 
 ## Sponsors
 
-Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor](https://opencollective.com/level#sponsor).
+Support this project by [becoming a sponsor](https://opencollective.com/level#sponsor). Your logo will show up here with a link to your website.
 
 <a href="https://opencollective.com/level/sponsor/0/website" target="_blank"><img src="https://opencollective.com/level/sponsor/0/avatar.svg"></a>
 <a href="https://opencollective.com/level/sponsor/1/website" target="_blank"><img src="https://opencollective.com/level/sponsor/1/avatar.svg"></a>
@@ -431,10 +430,10 @@ Support this project by becoming a sponsor. Your logo will show up here with a l
 <a href="https://opencollective.com/level/sponsor/9/website" target="_blank"><img src="https://opencollective.com/level/sponsor/9/avatar.svg"></a>
 
 
-
+<a name="license"></a>
 ## License &amp; Copyright
 
-Copyright (c) 2012-2017 `level` [contributors](https://github.com/level/community#contributors).
+Copyright (c) 2012-2018 `level` [contributors](https://github.com/level/community#contributors).
 
 `level` is licensed under the MIT license. All rights not explicitly granted in the MIT license are reserved. See the included `LICENSE.md` file for more details.