MQTT: WIP, re-organized disconnection handling, now keep track of connection status and reconnect accordingly.
This fixes bug with non-reconnecting to broker when having no published variables.
Title,Ingredient A,Ingredient B,Ingredient C,Ingredient D,Ingredient E,Ingredient F,Ingredient G
Recipe 1,1,2,3,4,5,6,7
Recipe 2,2,3,4,5,6,7,8
Recipe 3,3,4,5,6,7,8,9
Recipe 4,4,5,6,7,8,9,10
Recipe 5,5,6,7,8,9,10,11
Recipe 6,6,7,8,9,10,11,12
Recipe 7,7,8,9,10,11,12,13