Screenshots:

![image (15)](https://user-images.githubusercontent.com/1451007/65310878-7d6fff00-db4c-11e9-990e-dd2e9866f382.png)
![image (16)](https://user-images.githubusercontent.com/1451007/65310899-81038600-db4c-11e9-8498-be0fa12407f4.png)
![image (17)](https://user-images.githubusercontent.com/1451007/65310909-8660d080-db4c-11e9-911a-278289c8b890.png)

Issues:
- Need to use a saga in order to promote refreshing the community page when settings change.
- Settings don't appear to have changed sometimes despite a successful broadcast transaction. [worked](https://steemd.com/b/36579958#a259d17ca3d8fed6a85681e2de373a98f1dc5af4) and [didn't work](https://steemd.com/b/36580938#16ba8aa0090a3dbc6920597153fc01595c00afd4)
- UI/layout needs love and attention.
- i18n remaining copy.

Fixes #3493