UX: adds support for draft/merged state in github onebox PR

UX: adds support for draft/merged state in github onebox PR

diff --git a/templates/githubpullrequest.mustache b/templates/githubpullrequest.mustache
index c51c1b5..b8af8b8 100644
--- a/templates/githubpullrequest.mustache
+++ b/templates/githubpullrequest.mustache
@@ -5,7 +5,7 @@
 {{/user.avatar_url}}
 
 <h4>
-  <span class="state {{state}}">{{state}}</span>
+  <span class="state {{state}} {{#merged}}merged{{/merged}} {{mergeable_state}}">{{state}}</span>
   <a href="{{html_url}}" target="_blank">{{title}}</a>
 </h4>

GitHub sha: fb66edd4