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.
added hash field to setting to allow additional parameters to be set. Updated dummy app to reflect this change.
Fixed typo
Merge pull request #84 from katalyst/feature/default_setting_types

Feature/default setting types