New cdparanoiasrc element based on cddabasesrc; enable cdparanoia plugin again (there are still fixes required to pla...

Original commit message from CVS:
* configure.ac:
* ext/cdparanoia/Makefile.am:
* ext/cdparanoia/gstcdparanoia.c:
* ext/cdparanoia/gstcdparanoia.h:
* ext/cdparanoia/gstcdparanoiasrc.c:
(gst_cd_paranoia_mode_get_type), (gst_cd_paranoia_src_base_init),
(gst_cd_paranoia_src_init), (gst_cd_paranoia_src_class_init),
(gst_cd_paranoia_src_open), (gst_cd_paranoia_src_close),
(gst_cd_paranoia_paranoia_callback),
(gst_cd_paranoia_src_read_sector), (gst_cd_paranoia_src_finalize),
(gst_cd_paranoia_src_set_property),
(gst_cd_paranoia_src_get_property), (plugin_init):
* ext/cdparanoia/gstcdparanoiasrc.h:
New cdparanoiasrc element based on cddabasesrc; enable cdparanoia
plugin again (there are still fixes required to playbin to make
cdda:// uris work there).