fisher: switch to using net log lines (#3542)
fisher: switch to using net log lines (#3542)

The chum and snagging effect lines were incorrect and did not trigger
for English, at least.  These are switched to be gains effect lines.

Regexes should be identical except:
* added capturing group for cast/catch/discovered
* changed some groups to be non-capturing in other regexes
* adjusted the capturing group in Korean catch/discovered as it seemed
  wrong
quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot