1. Graceful shutdown as soon as no more transit tunnels
2. Show tunnel nicknames for I2CP destination in WebUI
3. Re-create HTTP and SOCKS proxy and shared local destination by tunnel reload
4. Fixed issues and timing for addressbook requests
5. Return correct code if pid file can't be created
6. Fixed build errors with boost 1.66
7. Use transient local destination by default if not specified
8. Check LeaseSet's signature before update
9. Fixed few race conditions for SAM