Update Vue.js documentation (2.2.6)

Fixes #607.

lib/docs/filters/vue/clean_html.rb

@@ -5,10 +5,14 @@ module Docs
         @doc = at_css('.content')
 
         at_css('h1').content = 'Vue.js' if root_page?
-        doc.child.before('<h1>Vue.js API</h1>') if slug == 'api/'
+        doc.child.before('<h1>Vue.js API</h1>') if slug == 'api/' || slug == 'api/index'
 
         css('.demo', '.guide-links', '.footer', '#ad').remove
 
+        css('.__cf_email__').each do |node|
+          node.replace(decode_cloudflare_email(node['data-cfemail']))
+        end
+
         # Remove code highlighting
         css('figure').each do |node|
           node.name = 'pre'

lib/docs/scrapers/vue.rb

@@ -18,7 +18,7 @@ module Docs
     HTML
 
     version '2' do
-      self.release = '2.2.5'
+      self.release = '2.2.6'
       self.base_url = 'https://vuejs.org/v2/'
       self.root_path = 'guide/index.html'
       self.initial_paths = %w(api/)