Add nmap-services support

Add experimental NATS support

Add telegram output support

Rename protocols field to layers

Flow-based generic packet processing

Reduce false positives for Mirai

Low MSS identifier for CVE-2019-11477

Send logs to stdout instead of stderr

Reduce false positives

Mark only SYN TCP packets in Mirai and Masscan cases.

Basic features

Features:
* mirai scan detection
* zmap scan detection
* masscan scan detection
* output findings to the screen
* export results to the Elasticsearch
* Dockerfile