Merge branch 'develop'

ChangeLog

configure

configure.ac

examples/cdi_write_refvgrid.c

src/Makefile.in

src/cdf_int.c

src/cdf_int.h

src/stream_cdf_i.c

src/stream_cdf_o.c

src/stream_ieg.c

src/vlist.c

src/zaxis.c