engine.rb in foreman-0.30.1

- old
+ new

@@ -5,9 +5,10 @@
 require "pty"
 require "tempfile"
 require "timeout"
 require "term/ansicolor"
 require "fileutils"
+require "thread"
 
 class Foreman::Engine
 
   attr_reader :procfile
   attr_reader :directory