Use current dragonfly api to setup datastore.
Merge pull request #2545 from refinery/dragonfly_api_change

Use current dragonfly api to setup datastore.
we made it to 2014
Merge pull request #2547 from djones/master

We made it to 2014
Use correct attribute (href) in canonical link. Full path preferred.

add spec for canonical link

spacing
Merge pull request #2543 from ghoppe/fix-canonical-link

Use correct attribute (href) in canonical link. Full path preferred.
Split extension guide out of getting started guide.
Clarify instructions for mounting to non-root
Add spec tests for checking that the thumbnail strip option works
Add dragonfly image strip process for compatibility
Merge pull request #2560 from complistic-gaff/fix-image-split-option

Dragonfly::Register::NotFound (:strip not registered)