cd-info now shows size of CD.

iso-info takes options -l and -f to be a little more like isoinfo

configure.ac now allows for disabling cd-paranoia, iso-read,
iso-drive, cd-drive.

Regression tests adjusted to new output and more drive reading capabilities.

test/vcd_demo_vcdinfo.right

@@ -8,7 +8,7 @@ CD-ROM Track List (1 - 3)
   1: 00:02:00  000000  XA    true
   2: 00:17:57  001182  XA    true
   3: 00:24:71  001721  XA    true
-170: 00:30:10  002110  leadout
+170: 00:30:10  002110  leadout (4 MB)
 Media Catalog Number (MCN): not available
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 CD Analysis Report