Document drain removal from kill(), fixes #550
Document drain removal from kill(), fixes #550

hargasinski/async,SaiNadh001/async,rborisov/async,caolan/async,LeoYao/async,r14r-work/fork_javascript_async,zhhb/async,steverobb/async,renruixi/async,Qix-/async,moander/async,llwanghong/async,sjclijie/async,xiebaochun/async,evdevgit/async,youprofit/async,scq000/async,DaAwesomeP/async,pandeysoni/async,jnordberg/async,abhishekgahlot/async,JulianVolodia/async,ariesnah/async,ariesnah/async,r14r/fork_javascript_async,DDunc/async,haggholm/async,megawac/async,markyen/async,arigo-software/async,navyxie/async,lonely8rain/async,Qix-/async,jaruba/async,andalm/async,ArcadiusK/async,xiebaochun/async,ezubarev/async,zhakui/async,jaruba/async,beni55/async,ecasilla/async,tjwudi/async,XM-Right/async,andyburke/antisync,moander/async,mcanthony/async,kolomiichenko/async,lonely8rain/async,zhakui/async,bjlxj2008/async,markyen/async,chaddm/async,XM-Right/async,jnordberg/async,suguru03/async,KnottedRain/async,tjwudi/async,DaAwesomeP/async,Connectlegendary/async,scq000/async,justincy/async,Zhang/async,Connectlegendary/async,evdevgit/async,navyxie/async,justincy/async,ibakaidov/async,steverobb/async,ezubarev/async,jamesjnadeau/async,pandoraui/async,modulexcite/async,FrankSunnyvale/async,sjclijie/async,DDunc/async,ibakaidov/async,Kikobeats/async,bjlxj2008/async,wushuyi/async,FrankSunnyvale/async,SaiNadh001/async,haggholm/async,renruixi/async,r14r-work/fork_javascript_async,carck/async,andyburke/antisync,r14r/fork_javascript_async,carck/async,DanieleTassone/async,caolan/async,pandeysoni/async,rlugojr/async,Kikobeats/async,andalm/async,imjerrybao/async,beni55/async,youprofit/async,wrenth04/async,DanieleTassone/async,gypsydave5/async,modulexcite/async,lanffy/async,KnottedRain/async,kolomiichenko/async,megawac/async,RickyDan/async,jamesjnadeau/async,lanffy/async,hargasinski/async,LeoYao/async,ecasilla/async,wrenth04/async,suguru03/async,zhhb/async,Segeon-Kim/async,pandoraui/async,garysye/async,Segeon-Kim/async,rborisov/async,garysye/async,arigo-software/async,ArcadiusK/async,Segeon-Kim/async,gypsydave5/async,wushuyi/async,rlugojr/async,chaddm/async,abhishekgahlot/async,llwanghong/async,mcanthony/async,Zhang/async,RickyDan/async,JulianVolodia/async,imjerrybao/async