Update music repo

CONTRIBUTING.md

@@ -22,7 +22,7 @@ If you have questions about how to install or use ownCloud, please direct these
       - [Contacts](https://github.com/owncloud/contacts/issues)
       - [Documents](https://github.com/owncloud/documents/issues)
       - [Mail](https://github.com/owncloud/mail/issues)
-      - [Media/Music](https://github.com/owncloud/media/issues)
+      - [Music](https://github.com/owncloud/music/issues)
       - [News](https://github.com/owncloud/news/issues)
       - [Notes](https://github.com/owncloud/notes/issues)
       - [Shorty](https://github.com/owncloud/shorty/issues)