Remove adaptive breakpoints from gallery, make it flexible
Add yield to document class and fluid layout variation
Cleanup unused gallery style vars
Merge pull request #889 from lonelyplanet/matth/unpin-image-gallery

Remove adaptive breakpoints from gallery, make it flexible
Case-sensitive require
Update slider and gallery to work with picture element
Fix up resetting of resizing url
Only do picture stuff when using the assetReveal option.
Add resrcit_helper