Simplify generating checkboxes in forms

Using the block syntax to generate the label with a <span> tag inside
isn't necessary after upgrading foundation_rails_helpers. Before the
upgrade, we couldn't do so because the <span> tag was escaped.

lib/consul_form_builder.rb

@@ -17,6 +17,16 @@ class ConsulFormBuilder < FoundationRailsHelper::FormBuilder
     end
   end
 
+  def check_box(attribute, options = {})
+    if options[:label] != false
+      label = content_tag(:span, label_text(object, attribute, options[:label]), class: "checkbox")
+
+      super(attribute, options.merge(label: label))
+    else
+      super
+    end
+  end
+
   private
 
     def label_with_hint(attribute, options)
@@ -24,6 +34,14 @@ class ConsulFormBuilder < FoundationRailsHelper::FormBuilder
         help_text(attribute, options)
     end
 
+    def label_text(object, attribute, text)
+      if text.nil? || text == true
+        default_label_text(object, attribute)
+      else
+        text
+      end
+    end
+
     def help_text(attribute, options)
       if options[:hint]
         content_tag :span, options[:hint], class: "help-text", id: help_text_id(attribute, options)