add properly sized icons to the ubuntu package
if these files are in place, freedesktop compatible linux's should pick up the icons when they want a higher resolution (like when alt-tabbing through running programs).
rendered versions of all these bitmask.png files are available in the leap_assets repo, under linux/hicolor/*/apps/bitmask.png. be advised that the svg file is a symlink, but you will want to copy the actual svg.
/usr/share/icons/hicolor /usr/share/icons/hicolor/24x24 /usr/share/icons/hicolor/24x24/apps /usr/share/icons/hicolor/24x24/apps/bitmask.png /usr/share/icons/hicolor/32x32 /usr/share/icons/hicolor/32x32/apps /usr/share/icons/hicolor/48x48 /usr/share/icons/hicolor/48x48/apps /usr/share/icons/hicolor/48x48/apps/bitmask.png /usr/share/icons/hicolor/64x64 /usr/share/icons/hicolor/64x64/apps /usr/share/icons/hicolor/64x64/apps/bitmask.png /usr/share/icons/hicolor/128x128 /usr/share/icons/hicolor/128x128/apps /usr/share/icons/hicolor/128x128/apps/bitmask.png /usr/share/icons/hicolor/256x256 /usr/share/icons/hicolor/256x256/apps /usr/share/icons/hicolor/256x256/apps/bitmask.png /usr/share/icons/hicolor/scalable /usr/share/icons/hicolor/scalable/apps /usr/share/icons/hicolor/scalable/apps/bitmask.svg
(from redmine: created on 2013-12-11, closed on 2013-12-12)