[db-api:comment] - Add upvote and downvote methods
[db-api:comment] - Add upvote and downvote methods

huulbaek/app,ben-pr-p/app,piratenfraktion-nrw/app,dkrathi457/app,kant/app,beomjae/app,maiklaguna/app,atlatszo/evoks,DemocracyOS/app,vntrp/app,CivicTechFR/DemocracyOSFR,mairwilliams/app,solde9/app,valentinchaput/app,MareAtlantica/democracyos,AbraaoAlves/app,johnardavies/democracyos-podemos,EuParticipo/Caxias,vntrp/app,johnardavies/democracyos-podemos,mgarciaisaia/democracy-os-ues,fonorobert/evoks,piratenfraktion-nrw/app,ben-pr-p/app,Nicolas-Lebreton/app,MareAtlantica/democracyos,indiofran/app,beomjae/app,huulbaek/app,120photo/app,10Pines/app,radvansky-tomas/app,atlatszo/evoks,radvansky-tomas/app,okfn-brasil/euvoto,fonorobert/evoks,indiofran/app,moustachu/democracy-os-app,mbhicks90/myvotes.ca,PartidoDeLaRed/app,mxabierto/colaborativa,moustachu/democracy-os-app,CivicTechFR/DemocracyOSFR,mbhicks90/myvotes.ca,DemocraciaEnRed/comunas,EuParticipo/Caxias,alexproca/democracy-os,dkrathi457/app,Nicolas-Lebreton/app,DemocracyOS/app,DemocraciaEnRed/comunas,ManuH/app,PartidoDeLaRed/app,valentinchaput/app,AbraaoAlves/app,120photo/app,mairwilliams/app,josuedor/app,alexproca/democracy-os,kant/app,solde9/app,josuedor/app,okfn-brasil/euvoto,d-cent/democracyos,ManuH/app,DemocraciaEnRed/bahiablanca,DemocraciaEnRed/bahiablanca