implemented restack behavior (floats are on top in tiled mode)

dwm.1

@@ -36,11 +36,11 @@ prints version information to standard output, then exits.
 .B Standard input
 is read and displayed in the status text area.
 .TP
-.B Button[1,3]
+.B Button[1,2]
 click on a tag label focuses that
 .B tag.
 .TP
-.B Button2
+.B Button3
 click on a tag label toggles that
 .B tag.
 .SS Keyboard commands