Switch back to ruby-readability now that JRuby support was added.

lib/treat/config/data/languages/agnostic.rb

@@ -3,7 +3,7 @@
     'nokogiri', 'ferret',
     'bson_ext', 'mongo', 'lda-ruby',
     'stanford-core-nlp', 'linguistics',
-    'jruby-readability', 'whatlanguage',
+    'ruby-readability', 'whatlanguage',
     'chronic', 'nickel', 'decisiontree',
     'rb-libsvm', 'ruby-fann', 'zip', 'loggability',
     'tf-idf-similarity', 'narray', 'fastimage'

lib/treat/workers/formatters/readers/html.rb

@@ -6,7 +6,7 @@
 # https://github.com/iterationlabs/ruby-readability
 class Treat::Workers::Formatters::Readers::HTML
   
-  silence_warnings { require 'jruby-readability' }
+  silence_warnings { require 'ruby-readability' }
 
   # By default, don't backup the original HTML
   DefaultOptions = {