Update lint tool to be a bit more verbose.
Update lint tool to be a bit more verbose.

After processing a font, report how many issues were found. This
is mostly a means of ensuring that something is reported for every font,
to provide that warm fuzzy feeling that yes, something happened.

After processing all the fonts, report how many you processed. More
warm fuzzies.

No extra messages are generated when we output csv.

wskplho/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic