add the con-scrolling module , testing , unfinished .

Signed-off-by: Meriky <71829016@qq.com>
Merge branch 'master' of https://github.com/buddys/MarkTexEdt

Synchrorize scroll and the option

Conflicts:
	MarkTexEdt/MarkTexEdt/MainWindow.xaml.cs

Signed-off-by: Meriky <71829016@qq.com>
Merge branch 'master' of https://github.com/buddys/MarkTexEdt

synchrosize scrolling

Conflicts:
	MarkTexEdt/MarkTexEdt/MainWindow.xaml.cs
	MarkTexEdt/MarkTexEdt/util/Converter.cs

Signed-off-by: Meriky <71829016@qq.com>