0.38

What’s new:

Documentation/examples:
- Now contains an FAQ on MPI best practices (#379)
- Spack example updated for better performance (#1883)
ch-image:
- Storage directories prior to v0.32 no longer upgraded (#1591, #1610)
ch-run:
- -W/--write-fake mount point is now /srv rather than /mnt (#1895)
miscellaneous bug fixes & improvements in:
- build system (#1858, #1882, #1887)
- documentation & logging/errors (#1852, #1862, #1890, #1894)
- test suite and examples (#1849, #1885, #1893, #1897, #1905)

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