Merge develop

.ci/bb/levante-dkrz/test.all.gcc

app/cdi.c

app/printinfo.c

cdi.settings.in

configure.ac

examples/cdi_write_const.c

examples/cdi_write_hybrid.c

examples/cdi_write_local.c

examples/pio/collectData2003.F90

interfaces/Makefile.am

interfaces/python/Makefile.am

m4/acx_options.m4

scripts/apply-clang-format

src/Makefile.am

src/async_worker.c

src/basetime.c

src/binary.c

src/calendar.c

src/calendar.h

src/cdf.c