Added forall to Option.
Added forall to Option.

Another salvo in the war against option2Iterable.

scala/scala,slothspot/scala,jvican/scala,scala/scala,martijnhoekstra/scala,jvican/scala,martijnhoekstra/scala,scala/scala,shimib/scala,slothspot/scala,felixmulder/scala,lrytz/scala,martijnhoekstra/scala,shimib/scala,felixmulder/scala,jvican/scala,shimib/scala,slothspot/scala,felixmulder/scala,scala/scala,lrytz/scala,jvican/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,martijnhoekstra/scala,felixmulder/scala,jvican/scala,shimib/scala,shimib/scala,scala/scala,shimib/scala,martijnhoekstra/scala,slothspot/scala,jvican/scala,lrytz/scala,jvican/scala,lrytz/scala,felixmulder/scala,slothspot/scala,felixmulder/scala,lrytz/scala,felixmulder/scala,slothspot/scala,slothspot/scala