Split inconsistent name and ref suggestions

After working with this a little bit, it makes more sense to split name and ref suggestions. Then you don't need to figure out which tag is inconsistent.

The updated dataset can be found here:

https://www.dropbox.com/s/z46rje19pmrkdvm/inconsistent.tar.gz?dl=0

The updated version of streetname-fixer also filters closed ways and checks if ```before_way_id != after_way_id``` to filter out some false-positives with round-a-bouts.