beremiz

MQTT: WIP, destroys paho client during failure handling at init and at cleanup. Use mutex to protect retrieve.
1,1.01,1.02,1.03,1.04,1.05,1.06
1.1,1.11,1.12,1.13,1.14,1.15,1.16
1.2,1.21,1.22,1.23,1.24,1.25,1.26
1.3,1.31,1.32,1.33,1.34,1.35,1.36
1.4,1.41,1.42,1.43,1.44,1.45,1.46
1.5,1.51,1.52,1.53,1.54,1.55,1.56
1.6,1.61,1.62,1.63,1.64,1.65,1.66
1.7,1.71,1.72,1.73,1.74,1.75,1.76
1.8,1.81,1.82,1.83,1.84,1.85,1.86
1.9,1.91,1.92,1.93,1.94,1.95,1.96
2,2.01,2.02,2.03,2.04,2.05,2.06
2.1,2.11,2.12,2.13,2.14,2.15,2.16
2.2,2.21,2.22,2.23,2.24,2.25,2.26
2.3,2.31,2.32,2.33,2.34,2.35,2.36
2.4,2.41,2.42,2.43,2.44,2.45,2.46