Update Kotlin documentation (1.0.3)

lib/docs/filters/kotlin/clean_html.rb

@@ -42,6 +42,7 @@ module Docs
           parent.name = 'pre'
           parent.inner_html = node.inner_html.gsub('<br>', "\n").strip
           parent.content = parent.content
+          parent['data-language'] = 'kotlin'
         end
       end
     end

lib/docs/scrapers/kotlin.rb

@@ -1,7 +1,7 @@
 module Docs
   class Kotlin < UrlScraper
     self.type = 'kotlin'
-    self.release = '1.0.2'
+    self.release = '1.0.3'
     self.base_url = 'https://kotlinlang.org/'
     self.root_path = 'api/latest/jvm/stdlib/index.html'
     self.links = {