Add content_for_in_controllers gem
Set page_title block when fetching a page
Append page_title to <title> if block is present
Merge branch 'refs/heads/feature-fix-titles'
Add json for section pages

This should be coming from contentapi really
Add JSON response for nodes
Only respond to HTML for newsletters page
Merge pull request #223 from theodi/bugfix-172-fix-json-responses

Fix JSON responses