Improve protected branches page UX

app/assets/javascripts/protected_branches.js.coffee

 $ ->
-  $(".protected-branches-list :checkbox").change ->
+  $(".protected-branches-list :checkbox").change (e) ->
     name = $(this).attr("name")
     if name == "developers_can_push"
       id = $(this).val()
@@ -14,8 +14,8 @@ $ ->
           developers_can_push: checked
 
         success: ->
-          new Flash("Branch updated.", "notice")
-          location.reload true
+          row = $(e.target)
+          row.closest('tr').effect('highlight')
 
         error: ->
           new Flash("Failed to update branch!", "alert")