mdb_init() and mdb_exit() have done nothing for a while.
mdb_get_coltype_string() and mdb_coltype_takes_length() were previously
removed, but remained in the header file by accident.
Generated files config.guess config.sub depcomp install-sh ltmain.sh missing
and ylwrap have been moved to build-aux/
Ran autoupdate
Replaced AC_TRY_LINK/AC_TRY_COMPILE by AC_LINK_IFELSE/AC_COMPILE_IFELSE
Droped -I$(top_srcdir)/include from CFLAGS since AC_CONFIG_HEADERS already
adds the -I
Fixed bison detection
Added AM_PROG_AR as required by autoreconf -i -Wall
Updated NEWS and .gitignore