check for permissions before displaying trigger button

app/components/branch-row.coffee

@@ -53,9 +53,13 @@ BranchRowComponent = Ember.Component.extend
 
   canTrigger: (->
     if !@get('auth.signedIn')
-      return false
+      false
     else
+      permissions = @get('auth.currentUser.permissions')
+      if permissions.contains parseInt(@get('build.repository.id'))
         true
+      else
+        false
   ).property()
 
   triggerBuild: (->

app/styles/app/modules/tiles.sass

@@ -13,7 +13,7 @@
     .build-status a,
     .tile-header,
     .tile-header a,
-    a
+    .tile-title a
       color: $color
 
     @include colorStatusIcons($color, $status)