Sensors now work over broadcast pipe

Added Polynomal actor
Added Item adding dialog
Added Factor Actor

src/sensors/sensor.cpp

@@ -2,6 +2,8 @@
 
 #include <QDebug>
 
+SensorStore globalSensors;
+
 SensorStore::SensorStore(QObject *parent): QObject(parent)
 {
     sensors_.push_back(Sensor(0,1,0,"Front door"));
@@ -43,3 +45,5 @@ void SensorStore::sensorGotState(const Sensor& sensor)
         }
     }
 }
+
+