Added first cut of Try type, refactored from twitter util.
Added first cut of Try type, refactored from twitter util.

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