discussion.rb: Add votes association.
discussion.rb: Add votes association.

piratas-ar/loomio,aca13jmf/loomio,mhjb/loomio,HadoDokis/loomio,isomerase/loomio,piratas-ar/loomio,juliagra/loomio,juliagra/DBCloomio,isomerase/loomio,HadoDokis/loomio,gvalerin/loomio,FSFTN/Loomio,tachyons/loomio,doomergithub/loomio,kimihito/loomio,juliagra/loomio,Collabforge/site-collabio,sicambria/loomio,labhackercd/loomio,digideskio/loomio,wangjun/loomio,sicambria/loomio,mhjb/loomio,FSFTN/Loomio,juliagra/DBCloomio,HadoDokis/loomio,juliagra/loomio,sicambria/loomio,loomio/loomio,piratas-ar/loomio,Collabforge/site-collabio,doomergithub/loomio,digideskio/loomio,loomio/loomio,mhjb/loomio,aca13jmf/loomio,codingnutty/loomio,wangjun/loomio,doomergithub/loomio,Collabforge/site-collabio,loomio/loomio,labhackercd/loomio,aca13jmf/loomio,mhjb/loomio,tachyons/loomio,mlarghydracept/loomio,codingnutty/loomio,gvalerin/loomio,kimihito/loomio,annewchen/loomio,loomio/loomio,FSFTN/Loomio,digideskio/loomio,isomerase/loomio,labhackercd/loomio,mlarghydracept/loomio,kimihito/loomio,annewchen/loomio,HadoDokis/loomio,codingnutty/loomio,tachyons/loomio,piratas-ar/loomio,sicambria/loomio,Collabforge/site-collabio,FSFTN/Loomio,tachyons/loomio,gvalerin/loomio,juliagra/DBCloomio,labhackercd/loomio,isomerase/loomio,annewchen/loomio,mlarghydracept/loomio,wangjun/loomio