title: Error (undefined method `start_with?' for nil:NilClass)
body: <p>When in build project. </p>
  
  <pre><code>undefined method `start_with?' for nil:NilClass
      ActionView::Template::Error (undefined method `start_with?' for nil:NilClass):
       &lt;meta name="viewport" content="width=device-width, initial-    scale=1"&gt;
      11:     &lt;title&gt;&lt;%= Shoppe.settings.site_title%&gt;&lt;/title&gt;
      12:     &lt;meta charset="UTF-8"&gt;
      13:     &lt;%= stylesheet_link_tag 'application' %&gt;
      14:     &lt;%= javascript_include_tag 'application', 'data-turbolinks-track' =&gt; true %&gt;
      15:     &lt;%= csrf_meta_tags %&gt;
  </code></pre>
  
  <p>in Gemfile </p>
  
  <pre><code>source 'https://rubygems.org'
  gem 'redcarpet'
  gem 'faker'
  gem 'thin'
  gem 'shoppe', :path =&gt; 'lib/shoppe', :require =&gt; 'shoppe'
  gem 'rails', '4.2.4'
  gem 'mysql2', '~&gt; 0.3.20'
  gem 'sass-rails', '~&gt; 5.0'
  gem 'uglifier', '&gt;= 1.3.0'
  gem 'coffee-rails', '~&gt; 4.1.0'runtimes
  gem 'jquery-rails'
  
  gem 'turbolinks']
  gem 'jbuilder', '~&gt; 2.0'
  gem 'sdoc', '~&gt; 0.4.0', group: :doc
  group :development, :test dodebugger console
  gem 'byebug'
  end
  group :development do
  gem 'web-console', '~&gt; 2.0'
  gem 'spring'
  end
  </code></pre>
  
  <p>I don't know fix this error.</p>