Re-commit latest container definition files

definition-files/beast/Singularity.beast-1.10.4

definition-files/beast/Singularity.beast-2.6.1

definition-files/centos/Singularity.centos-7.8.2003

...on-files/centos/Singularity.centos-7.8.2003-cuda-10.1.168

...on-files/centos/Singularity.centos-7.8.2003-mvapich-2.3.2

...on-files/centos/Singularity.centos-7.8.2003-openmpi-3.1.4

definition-files/fenics/Singularity.fenics-2019.1.0

...cs-2020.3-ubuntu-18.04-cuda-10.1.168-tmpi-avx-512-cuda-70

...larity.hpl-2.3-ubuntu-18.04-openmpi-3.1.4-openblas-0.13.0

...larity.hpl-2.3-ubuntu-18.04-openmpi-3.1.6-openblas-0.13.0

...s/ior/Singularity.ior-3.3.0rc1-ubuntu-18.04-openmpi-3.1.4

...s/ior/Singularity.ior-3.3.0rc1-ubuntu-18.04-openmpi-3.1.6

definition-files/mxnet/Singularity.mxnet-1.7.0

...s/omb/Singularity.omb-5.6.3-centos-7.8.2003-mvapich-2.3.2

...s/omb/Singularity.omb-5.6.3-centos-7.8.2003-openmpi-3.1.4

...larity.omb-5.6.3-ubuntu-18.04-cuda-10.1.168-openmpi-3.1.4

...iles/omb/Singularity.omb-5.6.3-ubuntu-18.04-mvapich-2.3.2

...iles/omb/Singularity.omb-5.6.3-ubuntu-18.04-openmpi-3.1.4

...iles/omb/Singularity.omb-5.6.3-ubuntu-18.04-openmpi-3.1.6

...y.paraview-5.8.1-ubuntu-18.04-openmpi-3.1.4-osmesa-20.1.5