Add supplier info popup

spec/acceptance_steps/users/supplier_info_steps.rb

@@ -0,0 +1,9 @@
+step "the user clicks on the table number info in the top right corner" do
+  find('.top-menu .table-number').click
+end
+
+step "the user sees the supplier information popup" do
+  within '.modal' do
+    page.should have_content @supplier.name
+  end
+end