Merge pull request #1655 from zzet/feature/resque_fix

fix resque start

lib/tasks/resque.rake

 require 'resque/tasks'
+
+# Fix Exception
+# ActiveRecord::StatementInvalid
+# Error
+# PGError: ERROR: prepared statement "a3" already exists
+task "resque:setup" => :environment do
+  Resque.after_fork do |job|
+    ActiveRecord::Base.establish_connection
+  end
+end
+
+desc "Alias for resque:work (To run workers on Heroku)"
+task "jobs:work" => "resque:work"