2.1.6

• #2509 Trigger functions inside Node.js application from the PM2 CLI
• #2474 Resolve home path in configuration file
• #2526 Expose .launchAll() method to API
• #2351 inner pm2 actions - drop autorestart and node_args options
• #2530 Make sure all processes are killed on system signal to PM2
• #281 allow to combine PM2_SILENT + pm2 jlist to avoid extra data
• Alias attributes error_file to err_file + err_log + err, alias out_file to out, out_log
• Do not ask for pass for set/multiset from KM