Data layers: edit and delete

[AshleyCheyemi]

1. Data layer descriptions from the admin backend (https://atlmaps.org/admin/data) cannot be edited and saved.

2. Data layers on admin backend only show through letter R. Cannot access S-Z data layers.

3. Layers to delete:
   State Board of Pardons and Paroles: Reentry Resources https://atlmaps.org/layers/adbc16ce
   State Board of Pardons and Paroles: Reentry Resources https://atlmaps.org/layers/bac429ed
   Transitional Housing for Offender Reentry https://atlmaps.org/layers/84bedd0d
   Transitional Housing for Offender Reentry (THOR) https://atlmaps.org/layers/33aeb4c6
   See Change in Chattahoochee River Watershed: https://atlmaps.org/layers/0d74adab

[AshleyCheyemi]

More layers to delete:
The Walking Dead: Season 3 (https://atlmaps.org/layers/ca044856)

[AshleyCheyemi]

Layers to delete:
The Walking Dead: Season 1 https://atlmaps.org/layers/4c3266d4

[AshleyCheyemi]

Layers to delete:
Ronnie Edwards of Cabbagetown https://atlmaps.org/layers/aa41abb9