API: Makes Opinion no longer nested inside Cluster.
API: Makes Opinion no longer nested inside Cluster.

I like this from a design perspective, but it sucks from a performance perspective, as you're literally pulling back a couple dozen opinions (and all their text and citations) when you look at a list of clusters. That is just nutso, and thus it must go away for now at least.

brianwc/courtlistener,brianwc/courtlistener,voutilad/courtlistener,voutilad/courtlistener,brianwc/courtlistener,brianwc/courtlistener,Andr3iC/courtlistener,Andr3iC/courtlistener,voutilad/courtlistener,voutilad/courtlistener,Andr3iC/courtlistener,voutilad/courtlistener,Andr3iC/courtlistener,Andr3iC/courtlistener,brianwc/courtlistener