Bug fixes and support for ADIOS2 v2.9
The MR for v1.2 introduced a few bugs that are fixed here. This also tweaks how ADIOS2 reads in files so that it works for BP5 engines that become the default in v2.9 and on.
The MR for v1.2 introduced a few bugs that are fixed here. This also tweaks how ADIOS2 reads in files so that it works for BP5 engines that become the default in v2.9 and on.