Added a default type option to the settings method. 2nd optional parameter so should be backwards compatible for the time being. Need to look at merging to an options hash.
Added an example of default setting types to the dummy app.
Merge branch 'feature/default_setting_types' into feature/settings
Removing debugging scraps.
Removed _form prefix as it was interfering with admin_crud partials with same name.
Added basic collection support for settings