* fix - division by zero when converting from other currencies to ISK 
* fix - division by zero when converting from other currencies to ISK 

git-svn-id: 4981eed85969ee1abea2a87f9b99cdb038dc458a@82 fea7e931-7330-ee8e-139d-207846fd6408

vexelon-dot-net/bgrates,petarov/bgrates