Merge branch 'develop' into 'master'

Fixed warning message on docker login

See merge request !7
3 jobs for master in 1 second (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Release
passed #1084
docker-builder
release-image_centos6

00:00:01

passed #1085
docker-builder
release-image_centos7

00:00:01

passed #1086
docker-builder
release-image_latest

00:00:01