actively show workspaceOSD if a window activation leads to workspace change.
fix a glitch with the zoom function
show the zoom function in the help screen
try to bring more sense into the icon height and width calculation
adjust the icon-size calculation ever so slightly, to avoid having the scroll arrows appear with nothing to scroll to
ensure a minimum height for the title label
new mode: global focus order, activated with Ctrl+g

In global focus mode, windows from all workspaces are mixed, ordered
by most recent use.