Renamed gtestframework to gtestutils.

* glib/glib.h:
* glib/Makefile.am: added gtestutils.h to public includes.

* glib/gtestutils.c: include gtestutils.h.

* glib/gtestutils.h:
* glib/glib.symbols:
* glib/tests/testing.c: renamed gtestframework to gtestutils.

* glib/gtestframework.h: renamed to gtestutils.h.

* glib/gtestframework.c: renamed to gtestutils.c.

svn path=/trunk/; revision=5910