Implement uploading photos to a gallery

* Realized the association for User has_many :photos, :through =>
* :galleries had not been made
* Moved user galleries into a section on the dashboard
* Generated uploader for GalleryPhoto
Add validations to spec/models/

* Add in all validations for ActiveRecord associations
Add preliminary styles using Foundation

* Moved navigation into a partial
* Used toggle for mobile nav
* Added minimal_form_helper.rb to make inline form styling possible
* without the labels
* Preliminary styles for navigation, dashboard, and all forms
Finish implementing Foundation preliminary styles

* Added lib/minimal_form_builder.rb to work with helper from previous
* commit
Refactor test suite post-styling
Add tests for other uploaders
Begin writing tests for browsing/searching users