added tumblr and github to welcome walkthrough social connect options

roomlist/welcome/templates/welcome_social.html

@@ -36,12 +36,14 @@
   </div>
 </div>
 
+<br />
+
 {% load socialaccount %}
 
 {% get_social_accounts request.user as accounts %}
 
 <div class="row">
-  <div class="col-md-8 col-md-offset-2">
+  <div class="col-md-offset-2 col-md-8">
 
     <div class="panel panel-default">
       <div class="panel-heading">
@@ -51,7 +53,7 @@
       <div class="panel-body">
         <div class="row text-center">
           {% comment %} is it not possible to redirect the login failure? {% endcomment %}
-          <div class="col-md-3">
+          <div class="col-md-4">
             {% if accounts.facebook %}
               <p><i class="fa fa-check-square-o"></i> Verified!</p>
               <h4><i class="fa fa-facebook fa-3x"></i></h4>
@@ -63,7 +65,7 @@
             </a>
             {% endif %}
           </div>
-          <div class="col-md-3">
+          <div class="col-md-4">
             {% if accounts.google %}
               <p><i class="fa fa-check-square-o"></i> Verified!</p>
               <h4><i class="fa fa-google fa-3x"></i></h4>
@@ -75,7 +77,7 @@
             </a>
             {% endif %}
           </div>
-          <div class="col-md-3">
+          <div class="col-md-4">
             {% if accounts.twitter %}
               <p><i class="fa fa-check-square-o"></i> Verified!</p>
               <h4><i class="fa fa-twitter fa-3x"></i></h4>
@@ -87,7 +89,10 @@
             </a>
             {% endif %}
           </div>
-          <div class="col-md-3">
+        </div>
+        <br />
+        <div class="row text-center">
+          <div class="col-md-4">
             {% if accounts.instagram %}
               <p><i class="fa fa-check-square-o"></i> Verified!</p>
               <h4><i class="fa fa-instagram fa-3x"></i></h4>
@@ -99,6 +104,30 @@
             </a>
             {% endif %}
           </div>
+          <div class="col-md-4">
+            {% if accounts.tumblr %}
+              <p><i class="fa fa-check-square-o"></i> Verified!</p>
+              <h4><i class="fa fa-tumblr fa-3x"></i></h4>
+              <h4>Tumblr</h4>
+            {% else %}
+            <a href="{% provider_login_url 'tumblr' process='connect' %}">
+              <h4><i class="fa fa-tumblr fa-3x"></i></h4>
+              <h4>Tumblr</h4>
+            </a>
+            {% endif %}
+          </div>
+          <div class="col-md-4">
+            {% if accounts.github %}
+              <p><i class="fa fa-check-square-o"></i> Verified!</p>
+              <h4><i class="fa fa-github fa-3x"></i></h4>
+              <h4>Github</h4>
+            {% else %}
+            <a href="{% provider_login_url 'github' process='connect' %}">
+              <h4><i class="fa fa-github fa-3x"></i></h4>
+              <h4>Github</h4>
+            </a>
+            {% endif %}
+          </div>
         </div>
         <form action="" method="post">{% csrf_token %}
           {{ form.as_p }}