Add barometer sensor

[calouis]

{ "ActTime" : 1514106394, "ServerTime" : "2017-12-24 10:06:34", "Sunrise" : "08:54", "Sunset" : "16:52", "result" : [ { "AddjMulti" : 1.0, "AddjMulti2" : 1.0, "AddjValue" : 0.0, "AddjValue2" : 0.0, "Barometer" : 1027.2, "BatteryLevel" : 255, "CustomImage" : 0, "Data" : "1027.2 hPa", "Description" : "", "Favorite" : 1, "Forecast" : 0, "ForecastStr" : "Stable", "HardwareID" : 6, "HardwareName" : "Proba_pluie", "HardwareType" : "Dummy (Does nothing, use for virtual switches only)", "HardwareTypeVal" : 15, "HaveTimeout" : false, "ID" : "00082456", "LastUpdate" : "2017-12-24 10:01:03", "Name" : "Baromètre", "Notifications" : "false", "PlanID" : "0", "PlanIDs" : [ 0 ], "Protected" : false, "ShowNotifications" : true, "SignalLevel" : "-", "SubType" : "Barometer", "Timers" : "false", "Type" : "General", "TypeImg" : "gauge", "Unit" : 1, "Used" : 1, "XOffset" : "0", "YOffset" : "0", "idx" : "457" } ], "status" : "OK", "title" : "Devices" }

[t0mg]

General/Barometer type is not supported yet. We need to pick an icon for this sensor and display ForecastStr and Data values.