Update PHPUnit documentation (4.7)

lib/docs/scrapers/phpunit.rb

@@ -2,9 +2,13 @@ module Docs
   class Phpunit < UrlScraper
     self.name = 'PHPUnit'
     self.type = 'phpunit'
-    self.version = '4.6'
+    self.version = '4.7'
     self.base_url = "https://phpunit.de/manual/#{version}/en/"
     self.root_path = 'index.html'
+    self.links = {
+      home: 'https://phpunit.de/',
+      code: 'https://github.com/sebastianbergmann/phpunit'
+    }
 
     html_filters.push 'phpunit/clean_html', 'phpunit/entries', 'title'