upgrade to scala-xml 1.0.6
upgrade to scala-xml 1.0.6

just because in general we want to ship the latest versions of the
modules, and some desirable-looking fixes went into 1.0.6

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