ensure concurrency=0 is handled during export

lib/foreman/export/bluepill.rb

@@ -23,7 +23,6 @@ class Foreman::Export::Bluepill < Foreman::Export::Base
     master_template = export_template("bluepill", "master.pill.erb", template_root)
     master_config   = ERB.new(master_template).result(binding)
     write_file "#{location}/#{app}.pill", master_config
-
   end
 
 end

lib/foreman/export/upstart.rb

@@ -27,6 +27,7 @@ class Foreman::Export::Upstart < Foreman::Export::Base
     process_template = export_template("upstart", "process.conf.erb", template_root)
 
     engine.processes.each do |process|
+      next if (conc = concurrency[process.name]) < 1
       process_master_template = export_template("upstart", "process_master.conf.erb", template_root)
       process_master_config   = ERB.new(process_master_template).result(binding)
       write_file "#{location}/#{app}-#{process.name}.conf", process_master_config