Add simple model for comments
Finish adding basic comments
Merge branch 'add-comments' into develop
Add comment metadata to view
Set up model and routes for votes
Set up basic controller and views for votes
Add basic vote validations
Merge branch 'add-votes' into develop
Add gems
Tidy up Gemfile
Configure for Postgres in all env
Merge branch 'switch-to-pg' into develop
README now in Markdown
Re-add README
Ready for deployment