Code up to Chapter 7.3
Complete user sign up
Complete missing for gravatar code before starting
Complete
Add better message for missing password
Added a test for the prescence of the flash message
Merge branch 'Ex_7_6_4' into Chapte_7_Excercises
Remove the test for 'Password digest can\'t be blank' and add a test to ensure the flast message dissapears on reloading the page after submission
use Rails content_tag to replace
 <div class="alert alert-<%= key %>"><%= value %></div>
Merge branch 'Ex_7_6_5' into Chapter_7_Excercices
Add SSL in production