Upgraded the implementation of showRaw
Upgraded the implementation of showRaw

Now showRaw no longer significantly lags behind -Yreify-copypaste.
Didn't put very much effort into it, since quite soon LiftCode
will become a macro and we'll be able to reuse it in RawTreePrinter.

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