added new gems
added models gadget picture and user
added devise views
added new migrations
added new schema
added devise controller and initializer
added new uploaders folder with picture_uploader class
added gadgets helper / controller
added devise locales
added shared folder with navigation bar partial
added gadgets view
added foundation_and_overrides.scss and application.css.scss
added application layout
added required files to application.js.coffee
remove files we don´t use
changed name Task to Gadget in the whole application