Update "about" dialog

Update username for major contributor scatterflower
Add credit for akashi

src/lobby.cpp

@@ -272,7 +272,7 @@ void Lobby::on_about_clicked()
  "<a href='https://github.com/AttorneyOnline/AO2-Client'>"
  "https://github.com/AttorneyOnline/AO2-Client</a>"
  "<p><b>Major development:</b><br>"
- "OmniTroid, stonedDiscord, longbyte1, gameboyprinter, Cerapter, "
+ "OmniTroid, stonedDiscord, longbyte1, scatterflower, Cerapter, "
  "Crystalwarrior, Iamgoofball, in1tiate"
  "<p><b>Client development:</b><br>"
  "Cents02, windrammer, skyedeving, TrickyLeifa, Salanto, lambdcalculus"
@@ -291,6 +291,7 @@ void Lobby::on_about_clicked()
  "promotion); "
  "Remy, Hibiki, court-records.net (sprites); Qubrick (webAO); "
  "Rue (website); Draxirch (UI design); "
+ "scatterflower and Salanto (akashi); "
  "Lewdton and Argoneus (tsuserver); "
  "Fiercy, Noevain, Cronnicossy, and FanatSors (AO1); "
  "server hosts, game masters, case makers, content creators, "