Update workers.rake
Update workers.rake

processes are now like:

26107 ?        Sl     0:08 puma: cluster worker 0: 26104 [20161025160704]                                                        
26109 ?        Sl     0:07 puma: cluster worker 1: 26104 [20161025160704]                                                        
26113 ?        Sl     0:09 puma: cluster worker 2: 26104 [20161025160704]
seuros/capistrano-puma,jeizsm/capistrano-puma,seuros/capistrano-puma,jeizsm/capistrano-puma,jeizsm/capistrano-puma