Rename "recycle" notification to "recycled".

When the MQTT Publish QOS was set to 1: At least once, it could result in a recycle loop due the message being received by the recycle subscription, which was then interpreted as a request to recycle instead of a notification that a recycle has taken place. After this change "recycle" is used to request a recycle and "recycled" is used to notify that a recycle has taken place.

Related to !320 (merged)

assigned to @rswindell

mentioned in merge request !320 (merged)

added MQTT label

No, that is not what the topic means:

https://wiki.synchro.net/ref:mqtt#servers

closed