v0.12.15

• Fix #941 : Env variables overriden when an app is restarted
• max_memory_restart now performs a graceful reload
• pm2 logs --raw now shows 20 last lines of each log file
• pm2-dev run app.js : start an app in dev mode (--no-daemon --watch and stream logs of all launched apps)
• --no-daemon command now display logs of all processes (Docker)