Fixed middleman crashing if resource.render fails in our initial resource-rendering loop. Instead we give out a logger message listing the source_file of the resource that was being rendered and the the error.
Fixed middleman crashing if resource.render fails in our initial
resource-rendering loop. Instead we give out a logger message
listing the source_file of the resource that was being rendered
and the the error.

measurement-factory/site-spawner,measurement-factory/site-spawner