abstract sensor class
Merge branch 'master' into testingSensors
selection of sensors
SensorIndicator widget
SensorsWidget
corrected SensorIndicator widget
little changes in sensors test, refactoring
translation of sensors test
trikControl refactoring
Merge branch 'master' into testingSensors
trikGui refactoring
small changes in TrikGUI
Styleguide fixes
AnalogSensor is not accessible from scripts now, updated test example