Merge pull request #738 from nafu/fix-readme

Fix some links in README.md

README.md

@@ -77,8 +77,8 @@ Follow and contact me on [Twitter](http://twitter.com/onevcat) or [Sina Weibo](h
 
 ## Contributors
 
-This project exists thanks to all the people who contribute. [[Contribute]](blob/master/CONTRIBUTING.md).
-<a href="graphs/contributors"><img src="https://opencollective.com/Kingfisher/contributors.svg?width=890" /></a>
+This project exists thanks to all the people who contribute. [[Contribute]](https://github.com/onevcat/Kingfisher/blob/master/CONTRIBUTING.md).
+<a href="https://github.com/onevcat/Kingfisher/graphs/contributors"><img src="https://opencollective.com/Kingfisher/contributors.svg?width=890" /></a>
 
 
 ## Backers