Update Go documentation (1.8.0)

lib/docs/scrapers/go.rb

@@ -1,7 +1,7 @@
 module Docs
   class Go < UrlScraper
     self.type = 'go'
-    self.release = '1.7.5'
+    self.release = '1.8.0'
     self.base_url = 'https://golang.org/pkg/'
     self.links = {
       home: 'https://golang.org/',

lib/docs/scrapers/mdn/javascript.rb

@@ -1,5 +1,7 @@
 module Docs
   class Javascript < Mdn
+    include FixRedirectionsBehavior
+
     self.name = 'JavaScript'
     self.base_url = 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference'