Parallelize sha resolution.
Parallelize sha resolution.

Retreiving STARR from SHA repo is now parallel by default.
YAY for parallel collections.

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