Update sk.coffee
Update sk.coffee

Translated:signup
jeremiahyan/codecombat,javatlacati/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,fabichoi/codecombat,javatlacati/codecombat,codecombat/codecombat,jeremiahyan/codecombat,Zerrien/codecombat,icodegame/codecombat,fabichoi/codecombat,fabichoi/codecombat,codecombat/codecombat,kidaa/codecombat,kidaa/codecombat,icodegame/codecombat,kidaa/codecombat,icodegame/codecombat,icodegame/codecombat,codecombat/codecombat,Zerrien/codecombat,kidaa/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,codecombat/codecombat,javatlacati/codecombat,Zerrien/codecombat,fabichoi/codecombat,Zerrien/codecombat,codecombat/codecombat