Porting LxqtPanel Clock.
Merge branch 'panel' into panel_widget_clock
Making LxqtClock a derivated from QWidget.
Initial port of Lxqt-panel mainmenu widget. (Not functional)
Adding panelwidget_menu to build list.
Fix menu integration.
Remove layout margin.
Remove layout margin.
Remove layout margin.
Fix Calendar positioning.
Remove old files.
Adding SidePanel component.
Disable show  on load.
Add SidePanel component to the build list.
Update branch panel_widget_clock.
Fix showWidget command.
Improve widget positioning.
Improve widget positioning.
Fix clock configuration widget.
Merge branch 'panel_widget_menu'