removed babl-classes.h removed and mostly folded into ... .. this file,

removed babl-classes.h removed and mostly folded into ... .. this file,

* babl/Makefile.am: removed babl-classes.h
* babl/babl-classes.h: removed and mostly folded into ...
* babl/babl.h:  .. this file, which has been reorganized to contain
each separate class by itself.
* babl/babl-internal.h: simplified code renamed BABL_CLASS_TEMPLATE to
be just BABL_CLASS or BABL_CLASS_MINIMAL.
* babl/babl-fish.c: (babl_fish): do not accept varargs, use use
BABL_CLASS_MINIMAL.
* babl/babl-component.c:
* babl/babl-conversion.c:
* babl/babl-extension.c:
* babl/babl-format.c:
* babl/babl-model.c:
* babl/babl-type.c: use BABL_CLASS instead of BABL_CLASS_TEMPLATE
* babl/babl-hash-table.h:
* babl/babl-list.h:
* babl/babl-db.h: changed include warning since babl-classes doesn't
exist anymore.

svn path=/trunk/; revision=308