Fixes found with valgind

[Anton Lundin]

This is a bunch of minor fixes found with valgrind. A bunch of them are
not "real" leaks because they are only leaked on exit, but they might
prevent you from finding real leaks so thats why i try to close all of
them here.

I'm not really sure about all of the qt fixes because i know way to
little about how qt actually works, but they doesn't break things
horribly and doesn't trigger leaks according to valgrind anylonger =)


//Anton


-- 
Anton Lundin	+46702-161604