fix/hack so that (own) messages sent in frontend are also visible in the game chat
don't poison the dead, it's not cool.
(poisoning hogs during their death animation would cause them to still be poisoned after resurrect)
thanks to CheezeMonkey for pointing this out
enable/fix links on about page. why don't people test that stuff when they insert it? it's just one click...
fix ancient issue with hedgehogs sliding through/into think gaps; fixes
issue #542; could and should be optimized (also to make sure that hogs can't slide through little pixel turds) - feel free to do so =P