created classes for push and pull requests

assets/scripts/app/templates/builds/show.hbs

@@ -4,7 +4,6 @@
   <div id="new-summary">
     <div class="request-kind">
       <div {{bind-attr class=":kind-icon build.eventType"}}>
-        <img src="/images/icons/pull-request.svg" width="21" height="21"/>
       </div>
     </div>
     <div class="right">

assets/styles/main/summary.sass

@@ -129,10 +129,17 @@
     width: 40px
     height: 155px
     margin-right: 10px
+    .kind-icon.push
+      background-image: inline-image('icons/push.svg') no-repeat 13px 9px
+      background-size: contain
+      height: 21px
+      width: 21px
 
-  .kind-icon
-    padding-top: 13px
-    padding-left: 9px
+    .kind-icon.pull_request
+      background-image: inline-image('icons/pull-request.svg') no-repeat 13px 9px
+      background-size: contain
+      height: 21px
+      width: 21px
 
   .footer
     a