Merge remote-tracking branch 'origin/master' into LJY
fixed TXTReader.csproj
Added ThicknessSEGroup
DISCARDED OptionPanel2 and OptionPanel3
Updated OptionPanel

This OptionPanel is implemented with a new layout design.
Added basic FontWeight and FontStyle support.
[DEMO]Modified MainWindow.xaml.cs
初步合并完成，然后这几天有事，等几天再接着写。