fix #100: add a class "original-poster" for registered users as well
fix #100: add a class "original-poster" for registered users as well

CountOrlok/cforum,MatthiasApsel/cforum,MatthiasApsel/cforum,ckruse/cforum,ckruse/cforum,CountOrlok/cforum,CountOrlok/cforum,MatthiasApsel/cforum,ckruse/cforum,MatthiasApsel/cforum,CountOrlok/cforum,ckruse/cforum