Port libcdio cdda source, formerly known as cddasrc, now known as cdiocddasrc (fixes #323327). Should also read CD-TE...

Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/cdio/Makefile.am:
* ext/cdio/gstcdio.c:
* ext/cdio/gstcdio.h:
* ext/cdio/gstcdiocddasrc.c:
* ext/cdio/gstcdiocddasrc.h:
Port libcdio cdda source, formerly known as cddasrc, now known as
cdiocddasrc (fixes #323327). Should also read CD-TEXT if available,
but that's not tested (fixes #317658).