Added a feature to remove a listener from 'componentDidMount()' upon 'componentWillUnmount()'
Added a feature to remove a listener from 'componentDidMount()' upon 'componentWillUnmount()'

loehnertz/HSRMMedialabTimetableApp,loehnertz/HSRMMedialabTimetableApp,loehnertz/HSRMMedialabTimetableApp