added DisconnectedEvent to CommunicationProtocol,
added handling for sent data while not connected,
introduced IContext and WpfContext to handover UI context to backend (required to add to ObservableCollection)
implemented handling when newline separator is changed,
removed newline sequence variables from IProtocolSettings,
changed display style of RealizedItems in MultiFormatDataView,
introduced Selector for NewlineSeparator in MultiFormatDataView