Major Description
This is a followup of SOLR-8131 . In SOLR-8131 if a schema factory is not specified explicitly managed schema will be used.
Now since managed schema factory is the default, when a user goes to start solr 6.0 their schema.xml file will get converted to managed-schema . This might seem trappy or confusing to a user. Hence why don't we directly ship with a a file called managed-schema instead of schema.xml . Just a rename of the files in all the example configs that we ship. The data_driven config does that already