DataSourceEditor BlackList names can be shown incorrectly

[RacingTadpole]

Eg. At http://terria.io/DataSourceEditor/ , choose National Map / Data Providers, and click Load.

The JSON code includes this:

while the editor below shows this:

[stevage]

This is the problem. JSON editor uses . for internal paths to schema elements. So it gets confused by properties with dots in them.

One immediate problem is I've forgotten how to rebuild the editor with changes. :/