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
made changes to CommunicationProtocol,
added ILibraryEquivalentConverter to convert library types to local types,
added Messenger to App,
implemented UserInterfaceMessages
Common.Logger => Common.Logging
MultiTerm.Core.Common => MultiTerm.Core.Types
added Log Method to ILogger and SerilogLogger,
implemented IAppSettingsProvider and XmlAppSettingsProvider,
added EnumHelpers in Common project