inital code for systray in windows is commited. it is disabled for 0.8 atm because it needs more love. I commit because I hope to fix soon (or else 0.8 will not load it so it is ok)

typos and cleaner strings in atk strings that dkirov has added; pot/po update (some fuzzing sorry..)

pygtk < 2.6

nonsence

threads and main thread won't conflict