- marked baselibs.conf in specfile as source in order to make
factory checkin policy happy

- Update to version 0.4.0:
+ configure: Remove AM_MAINTAINER_MODE
+ atoms.c: #include for vsnprintf case, not just vasprintf
+ Follow changes in m4 submodule.
+ autogen.sh: Implement GNOME Build API
+ config: add bug URL to AC_INIT
+ config: use AC_CONFIG_HEADERS to create a config.h file
+ config: remove AC_TYPE_SSIZE_T
+ config: drop the check for sys/types.h
+ config: add missing COPYING file
+ config: remove the dependency on X11 Protocol
+ config: remove old dead code for documentation
+ Pick-up changes in m4 submodule
+ xcb_aux_parse_color should take const char *
+ Check submodules before running autoconf.