Handle parent comment ID in duplicate comment check. Closes #1286.
Handle parent comment ID in duplicate comment check. Closes #1286.

SoLoHiC/mezzanine,dustinrb/mezzanine,jjz/mezzanine,sjdines/mezzanine,PegasusWang/mezzanine,frankier/mezzanine,gradel/mezzanine,joshcartme/mezzanine,industrydive/mezzanine,saintbird/mezzanine,dovydas/mezzanine,readevalprint/mezzanine,sjdines/mezzanine,jerivas/mezzanine,wbtuomela/mezzanine,frankier/mezzanine,nikolas/mezzanine,nikolas/mezzanine,Cajoline/mezzanine,theclanks/mezzanine,Skytorn86/mezzanine,christianwgd/mezzanine,tuxinhang1989/mezzanine,dovydas/mezzanine,mush42/mezzanine,wyzex/mezzanine,wbtuomela/mezzanine,dsanders11/mezzanine,frankchin/mezzanine,theclanks/mezzanine,damnfine/mezzanine,viaregio/mezzanine,saintbird/mezzanine,theclanks/mezzanine,dustinrb/mezzanine,douglaskastle/mezzanine,ZeroXn/mezzanine,christianwgd/mezzanine,geodesign/mezzanine,Cajoline/mezzanine,emile2016/mezzanine,jjz/mezzanine,promil23/mezzanine,biomassives/mezzanine,ryneeverett/mezzanine,viaregio/mezzanine,biomassives/mezzanine,readevalprint/mezzanine,sjdines/mezzanine,readevalprint/mezzanine,frankchin/mezzanine,wyzex/mezzanine,saintbird/mezzanine,dsanders11/mezzanine,PegasusWang/mezzanine,molokov/mezzanine,ZeroXn/mezzanine,ryneeverett/mezzanine,adrian-the-git/mezzanine,webounty/mezzanine,jjz/mezzanine,geodesign/mezzanine,sjuxax/mezzanine,jerivas/mezzanine,stephenmcd/mezzanine,adrian-the-git/mezzanine,douglaskastle/mezzanine,SoLoHiC/mezzanine,ryneeverett/mezzanine,gradel/mezzanine,biomassives/mezzanine,eino-makitalo/mezzanine,damnfine/mezzanine,stephenmcd/mezzanine,promil23/mezzanine,nikolas/mezzanine,dsanders11/mezzanine,geodesign/mezzanine,spookylukey/mezzanine,dovydas/mezzanine,stephenmcd/mezzanine,vladir/mezzanine,ZeroXn/mezzanine,industrydive/mezzanine,Cicero-Zhao/mezzanine,SoLoHiC/mezzanine,wyzex/mezzanine,frankier/mezzanine,frankchin/mezzanine,industrydive/mezzanine,molokov/mezzanine,mush42/mezzanine,gradel/mezzanine,webounty/mezzanine,tuxinhang1989/mezzanine,webounty/mezzanine,mush42/mezzanine,vladir/mezzanine,damnfine/mezzanine,promil23/mezzanine,dustinrb/mezzanine,Skytorn86/mezzanine,emile2016/mezzanine,eino-makitalo/mezzanine,sjuxax/mezzanine,viaregio/mezzanine,wbtuomela/mezzanine,emile2016/mezzanine,tuxinhang1989/mezzanine,christianwgd/mezzanine,molokov/mezzanine,adrian-the-git/mezzanine,sjuxax/mezzanine,jerivas/mezzanine,joshcartme/mezzanine,PegasusWang/mezzanine,spookylukey/mezzanine,spookylukey/mezzanine,eino-makitalo/mezzanine,vladir/mezzanine,douglaskastle/mezzanine,Skytorn86/mezzanine,Cicero-Zhao/mezzanine,Cajoline/mezzanine,joshcartme/mezzanine