SI-7898 Preserve reader against subversion
SI-7898 Preserve reader against subversion

SBT tries to install its own SimpleReader (for some reason)
if it needs to create its own IMain.

Because Rube Goldberg needs to execute some postinit hooks,
don't let SBT do that.

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