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

* 'src' of github.com:populr/populr.github.com: (43 commits)
  Updates for the new api_regions format
  Updated the documentation to include endpoints that were missing as well as new endpoints for getting pops derived from a particular template, and embeds
  Switch to {{}} syntax
  JSON syntax fix for the tracer model
  added homepage buttons
  A few visual improvements and links to the libraries on Github
  Initial addition of the API to the documentation
  Update link to columnizer base theme
  version bump
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fixed zip link
bump