Merge pull request #303 from sendgrid/af4ro-patch-1

Update readme tags and fix minor test failures

README.md

@@ -1,6 +1,12 @@
 ![SendGrid Logo](https://uiux.s3.amazonaws.com/2016-logos/email-logo%402x.png)
 
-[![Travis Badge](https://travis-ci.org/sendgrid/sendgrid-ruby.svg?branch=master)](https://travis-ci.org/sendgrid/sendgrid-ruby) [![Gem Version](https://badge.fury.io/rb/sendgrid-ruby.svg)](https://badge.fury.io/rb/sendgrid-ruby)[![Email Notifications Badge](https://dx.sendgrid.com/badge/ruby)](https://dx.sendgrid.com/newsletter/ruby)[![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE.txt)[![Twitter Follow](https://img.shields.io/twitter/follow/sendgrid.svg?style=social&label=Follow)](https://twitter.com/sendgrid)[![GitHub contributors](https://img.shields.io/github/contributors/sendgrid/sendgrid-ruby.svg)](https://github.com/sendgrid/sendgrid-ruby/graphs/contributors)
+[![Travis Badge](https://travis-ci.org/sendgrid/sendgrid-ruby.svg?branch=master)](https://travis-ci.org/sendgrid/sendgrid-ruby) 
+[![Gem Version](https://badge.fury.io/rb/sendgrid-ruby.svg)](https://badge.fury.io/rb/sendgrid-ruby)
+[![Email Notifications Badge](https://dx.sendgrid.com/badge/ruby)](https://dx.sendgrid.com/newsletter/ruby)
+[![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE.txt)
+[![Twitter Follow](https://img.shields.io/twitter/follow/sendgrid.svg?style=social&label=Follow)](https://twitter.com/sendgrid)
+[![GitHub contributors](https://img.shields.io/github/contributors/sendgrid/sendgrid-ruby.svg)](https://github.com/sendgrid/sendgrid-ruby/graphs/contributors)
+[![Open Source Helpers](https://www.codetriage.com/sendgrid/sendgrid-ruby/badges/users.svg)](https://www.codetriage.com/sendgrid/sendgrid-ruby)
 
 **NEW:** Subscribe to email [notifications](https://dx.sendgrid.com/newsletter/ruby) for releases and breaking changes.
 

test/sendgrid/test_sendgrid-ruby.rb

@@ -2686,7 +2686,7 @@ def test_license_file_correct_year_range
     end
 
     def test_docker_exists
-      assert(File.file?('./Dockerfile') || File.file?('./docker/Dockerfile'))
+      assert(File.file?('./Docker') || File.file?('./docker/Dockerfile'))
     end
 
     # def test_docker_compose_exists