Add a shorter test file, 23 seconds.
* morituri/test/test_program_cdparanoia.py:
Update the test to adapt. Check for track quality.
* morituri/program/cdparanoia.py:
Add a measure of track quality based on the number of reads.
Use the [wrote] output for progress updates, a bit more
jittery in its output.
* morituri/rip/cd.py:
Set track quality on RipResult.