* configure.ac: Use mm-common, removing macros/dk-warn.m4.
* docs/libglom_reference/Doxyfile.in:
* docs/libglom_reference/doxygen_to_devhelp.xsl:
* docs/libglom_reference/Makefile.am: Generate libglom documentation
    properly using build stuff copied from gtkmm.
* docs/pyglom_reference/Makefile.am: A silly little initial attempt to
    have generated html for the glom python module, using pydoc.