Use Dejavu in window titles for Unicode support

dotfiles/i3/config

@@ -15,8 +15,8 @@ set $mod Mod1
 # is used in the bar {} block below.
 # This font is widely installed, provides lots of unicode glyphs, right-to-left
 # text rendering and scalability on retina/hidpi displays (thanks to pango).
-#font pango:DejaVu Sans Mono 11
-font -*-terminus-medium-r-*-*-16-*-*-*-*-*-*-*
+font pango:DejaVu Sans Mono 11
+#font -*-terminus-medium-r-*-*-16-*-*-*-*-*-*-*
 # Before i3 v4.8, we used to recommend this one as the default:
 # font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
 # The font above is very space-efficient, that is, it looks good, sharp and