add eb Singularity-2.2.1-GCC-6.3.0-2.27.eb

next step

chown root:root /apps/all/Singularity/*/etc/singularity/singularity.conf
chown root:root /apps/all/Singularity/*/libexec/singularity/sexec-suid
chmod +s /apps/all/Singularity/*/libexec/singularity/sexec-suid