Improves styles for account page, adds user avatar

app/assets/stylesheets/participacion.scss

@@ -457,12 +457,17 @@ form {
     opacity: .5;
   }
 
+  .avatar {
+    margin-bottom: $line-height;
+  }
+
   h2 {
     clear: both;
     font-size: rem-calc(20);
     font-weight: bold;
     line-height: $line-height;
     margin: 0;
+    margin-bottom: $line-height/2;
   }
 
   .recommendations {

app/views/account/show.html.erb

@@ -35,7 +35,11 @@
           <% end %>
         </div>
 
-        <div class="small-12 column">
+        <div class="small-12 medium-6 column">
+          <h2><%= t("account.show.avatar")%></h2>
+          <%= image_tag('user_default_big.jpg', class: "avatar", size: "100x100") %>
+
+          <h2><%= t("account.show.notifications")%></h2>
           <%= f.label :email_on_debate_comment do %>
             <%= f.check_box :email_on_debate_comment %>
             <span class="checkbox"><%= t("account.show.email_on_debate_comment_label") %></span>