fix event flow when troll message is filtered in a socket
many pool improvements
de "Deutsch" translation #9773. Author: HelddesSchachs. grammatical mistake
fr "français" translation #9774. Author: Calinou. Forcing draw can also be done when opponent leaves. Capitalization fixes, use full words. Use the appropriate special characters. Fix 2 terrible typos in string 273.
Merge branch 'master' of github.com:ornicar/lila

* 'master' of github.com:ornicar/lila:
  Slow down 1+0 waves for high traffic

Conflicts:
	modules/pool/src/main/Wave.scala