[#60826864] sprites moved to correct location, grey version added
Merge branch 'cop-p2-2013' of https://github.com/vuwfg/knots into cop-p2-2013
[#60826864] while not perfect, the tabs now look beter than before and they also have an icon
Merge branch 'cop-p2-2013' of https://github.com/vuwfg/knots into cop-p2-2013
[#60826864] tabs moved around a little
[#60826864] tile icon position now correct (10px margin)