Pr1 (#3276)

* Backend Port: Multirow and multiport support

Preparation for IPV6 support

* Backend Port: Alignment to main version on GitHub

* Backend Port: 'grub -m 1' for two additional scripts

* src/hst_autocompile.sh: Remove unnecessary / after

src/hst_autocompile.sh

@@ -119,7 +119,7 @@ else
 	BUILD_ARCH='amd64'
 fi
 RPM_DIR="$BUILD_DIR/rpm/"
-DEB_DIR="$BUILD_DIR/deb/"
+DEB_DIR="$BUILD_DIR/deb"
 if [ -f '/etc/redhat-release' ]; then
 	BUILD_RPM=true
 	BUILD_DEB=false