Fix for lodash 4.x (#241)

lodash 4.x does not alias `_.unique -> uniq`. See #239.

Author: dancasey

src/lib/utils/options/options.ts

@@ -138,7 +138,7 @@ export class Options extends ChildableComponent<Application, OptionsComponent>
             }
         }
 
-        return _.unique(result);
+        return _.uniq(result);
     }