Bump version numbers after 2.13.0-M1
Bump version numbers after 2.13.0-M1

martijnhoekstra/scala,martijnhoekstra/scala,scala/scala,lrytz/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,martijnhoekstra/scala,martijnhoekstra/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,lrytz/scala,scala/scala,scala/scala,lrytz/scala,scala/scala