message: Use dismisser instead of cookies lib for onboarding tips
diff: Backbone = require 'backbone'
  -Cookies = require 'cookies-js'
  +Dismisser = require '../has_seen/dismisser.coffee'
  analytics = require '../../lib/analytics.coffee'
  Promise = require 'bluebird-q'
  @@ -8,7 +8,10 @@ module.exports = class TipView extends Backbone.View
  'click': 'onClick'
  'click .js-close' : 'close'
  - initialize: ({ @user }) -> #
  + initialize: ({ @user }) ->
  + @dismisser = new Dismisser
  + key: @model.id
  + limit: 1
  onClick: (e) ->
  e.preventDefault()
  @@ -52,6 +55,9 @@ module.exports = class TipView extends Backbone.View
  @remove()
  remove: ->
  - Cookies.set @model.id, true
  + @dismisser.dismiss()
  +
  analytics.track.click 'Block tip closed', id: @model.id
  +
  super
  +
  