Update data provider config view to handle combined data-provider config group
Fix dummy settings/messages/sms controller
Add ReadOnlyText form field type
Add placeholders, descriptions and other extra text to email provider options
Better descriptions on frontlinesms and smssync form params
Remove unused 'from' param smssync/frontline providers, and other junk from() code
Add intro text instructions to SMSSync plugin
Allow HTML in form field help
Clean out dummy data provider data