404 entry title fix
Merge branch 'master' into omnitropic

* master:
  404 entry title fix
Picturefill integration, first steps
Further adventures in Picturefill
Slowly getting somewhere
A working implementation of the `sizes` attribute
Picturefill adventures continue
Another round of Picturefill experiments
Moving image sizes into Ubik Imagery
Picturefill working draft
Small fix to the image overlay
Standardizing new sizes, Picturefill/views module
Merge branch 'picturefill'

* picturefill:
  Standardizing new sizes, Picturefill/views module
  Small fix to the image overlay
  Picturefill working draft
  Moving image sizes into Ubik Imagery
  Another round of Picturefill experiments
  Picturefill adventures continue
  A working implementation of the `sizes` attribute
  Slowly getting somewhere
  Further adventures in Picturefill
  Picturefill integration, first steps
Finalizing draft Picturefill integration
Finalizing draft Picturefill integration
Adding pf/prism script bundle
Havoc wreaked by a typo
Version 0.15 update
Documentation update
Heading styles and layout