Merge branch 'src' of github.com:populr/populr.github.com into src

* 'src' of github.com:populr/populr.github.com:
  Numerous updates to bring the theming documentation up to date
  Add Populr logo for Tumblr blog
  Several theming updates, mostly regarding helpers
  Delete excess empty lines
  Add line break to theming documentation
  Several theming updates
  Updates to theming documentation
  Merge branch 'src' of https://github.com/populr/populr.github.com into src
  updated site @ 2013-06-18 17:17:28
  Minor updates to populate styling
  Update to include populate docs
  More theming documentation updates
  Changing API docs to point to v0 instead of v1
  Add notes about the Populr mixin required for dummy content and mobilization
  Add mobilization
  Add documentation for theme styles
  Tweak minor typos
  Several updates to theming documentation