This fixes the content blocks issue
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add setTwitterCard method to Header
"Add summary card to blogdetail"
psr stuff pt1
Add spacing
Coding Standards
add comma
undo this earlier change
refactor feedback
cards where not working
Add Twitter cards to the upgrade guide
summary_large_image card fix
Merge pull request #900 from guytarded/twitter_cards

Twitter cards - Fixes #856