add keep sign in
change welcome page to mainPage
fix username cookie check problem
remove duplicated function updateUnreadInfo()
rewrite search  function
unify 其他
fix displaying reward = 0
fix line breaks bug with @br@ and <p> <br>
reset modal input state
update jquery to from 1.7 to 1.10
reload content after post new offer or trade
change order to desc
adjust css