Fix a few plugin readme links
| [Consul](#consul) | consul | X | |
| [Docker Postgres](#docker-postgres) | docker-postgres | X | |
| [Filesystem](#filesystem) | fs | X | X |
-| [MongoDB](#mongodo) | mongo | X | |
+| [Mongo](#mongo) | mongo | X | |
| [Postgres](#postgres) | postgres | X | |
| [MySQL](#mysql) | mysql | X | |
-| [RabbitMQ Broker](#rabbmq-broker) | rabbitmq-broker | X | |
+| [RabbitMQ Broker](#rabbitmq-broker) | rabbitmq-broker | X | |
| [Redis Broker](#redis-broker) | redis-broker | X | |
| [S3](#s3) | s3 | | X |
| [Scality](#scality) | scality | | X |
-| [Xtra Backup](#xtrabackup) | xtrabackup | X | |
+| [Xtra Backup](#xtra-backup) | xtrabackup | X | |
**See a missing plugin? Create one and submit a PR**<br>
[Example Plugin Stub](../plugin/dummy)
