Option for tray icon to display user status
Theme options put into form layout
Main window geometry is saved when window is resized
Main window splitter is saved when it is moved
Refactored system tray settings in generalform
Undone the tray-checkboxes-checkability-bug-fix
Removed empty line

I removed an empty line.
Undone the last two reverting commits.
Merge branch 'tray-status-icon' of https://github.com/mwuttke97/qTox into mwuttke97-tray-status-icon

Conflicts:
	src/misc/settings.cpp
	src/misc/settings.h
	src/widget/form/settings/generalform.cpp
Merge branch 'mwuttke97-tray-status-icon' into tray-status-icon