Merge branch 'features/parametrizeDistCodename' into 'master'

feat: changing codename to lsb_release command result

See merge request !1

makefile

@@ -10,7 +10,7 @@ TARGET_packetize= 10-debpacket.sh
 #timestamp	= $(date +%Y-%m-%d)
 timestamp	= 2018-07-25
 distro		= ubuntu
-codename	= bionic 
+codename	= $(lsb_release --codename | cut -f2)
 repofile	= /etc/apt/sources.list.d/nginx.repo 
 nginx_version	= 1.15.2