Bugfix/rendering errors

[mumoc]

• Revert back change from constraint to filter on posts by state route
• Add sunspot.yml.example and ignore sunspot.yml
• Update disqus partial rendering on crowdblog posts show

[FerPerales]

Just tested on stage: so far, so good.

Thanks for tackling this, @mumoc :+1:

LGTM :shipit:

[jpfuentes2]

:+1: