message: Add solr version, add links to dockerfiles for more consistency.
diff: @@ -51,8 +51,9 @@ Some Docker Images and Containers need additional customizations from the provid
  | mariadb | 10 | [mariadb/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/mariadb/Dockerfile) |
  | mariadb-drupal | 10 | [mariadb-drupal/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/mariadb-drupal/Dockerfile) |
  | mongo | 3.6 | [mongo/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/mongo/Dockerfile) |
  -| solr | 5.5, 6.6 | |
  -| solr-drupal | 5.5, 6.6 | |
  -| redis | | |
  -| varnish | 5 | |
  -| varnish-drupal | 5 | |
  +| solr | 5.5, 6.6, 7.5 | |
  +| solr-drupal | 5.5, 6.6, 7.5 | |
  +| redis | | [redis/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/redis/Dockerfile) |
  +| redis-persistent | | [redis-persistent/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/redis-persistent/Dockerfile) |
  +| varnish | 5 | [varnish/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/varnish/Dockerfile) |
  +| varnish-drupal | 5 | [varnish-drupal/Dockerfile](https://github.com/amazeeio/lagoon/blob/master/images/varnish-drupal/Dockerfile) |
  