Clean Contributing file

CONTRIBUTING.md

@@ -5,44 +5,9 @@ There is quite a lot todo and planned. If you like to contribute, pick any of th
 Contributors will be credited within the intranet and on the github page.
 
 
-## General
+## Roadmap
 
-* [X] Handle emails sent from PHP dockers [#5](https://github.com/cytopia/devilbox/issues/5)
-  1. Add another container which is able to display mails: https://github.com/sj26/mailcatcher
-  2. Proxy this webinterface into the Intranet
-
-## Dockers
-
-* [ ] Add more travis checks to ensure they are always working under any condition
-* [ ] Add more base dockers
-  - [X] MySQL 5.6
-  - [X] MySQL 5.7 [#1](https://github.com/cytopia/devilbox/issues/1)
-  - [X] MariaDB 5.5 [#2](https://github.com/cytopia/devilbox/issues/2)
-  - [X] MariaDB 10.0 [#3](https://github.com/cytopia/devilbox/issues/3)
-  - [X] MariaDB 10.2 [#6](https://github.com/cytopia/devilbox/issues/6)
-  - [X] MariaDB 10.2 [#7](https://github.com/cytopia/devilbox/issues/7)
-  - [ ] PostgreSQL
-  - [ ] LightHTTPD
-  - [ ] HHVM
-* [ ] Add optional dockers
-  - [ ] Memcached
-  - [ ] Redis
-  - [ ] MongoDB
-  - [ ] CouchDB
-  - [ ] Cassandra
-  - [ ] Apache Solr
-  - [ ] Elasticsearch
-* [ ] Add other stack dockers (instead of PHP)
-  - [ ] Go
-  - [ ] Python
-  - [ ] Ruby
-  - [ ] Perl
-
-
-## Docker-compose
-
-* [ ] Allow for optional dockers (via `setup.sh` script or similar)
-  - via compose entrypoint overwrite
+Please see [ROADMAP](https://github.com/cytopia/devilbox/issues/23) for what is planned.
 
 
 ## Documentation