Merge branch 'images-in-emails' into 'master'

Limit the width of images in emails

In notification emails, large inline images can exceed the width of the viewport. This ensure that large images are resized to fit within the mail client window.

app/views/layouts/notify.html.haml

@@ -4,6 +4,10 @@
       %title
         GitLab
   :css
+    img {
+      max-width: 100%;
+      height: auto;
+    }
     p.details {
       font-style:italic;
       color:#777