Original commit message from CVS:
* configure.ac:
* gst/multifile/Makefile.am:
* gst/multifile/gstmultifile.c:
* gst/multifile/gstmultifilesink.c:
* gst/multifile/gstmultifilesrc.c:
* gst/multifile/multifile.vproj:
Revive multifile[src|sink].