This avoids a PHP Notice during the cron task to update the contributor/hour counters.
By returning 0 here we have "valid" metadata attached to the pledge posts, which removes the need for further logic there.
Closes#151
* Theme: Create template part for single pledge
* Plugin: Add functions for handling xprofile data
* Plugin: Add helper function for getting contributor user objects
* Theme: Display aggregated contributor data on single pledge view
* Theme: Add functions, markup, and styles to show team badges
* Theme: Add badge for Test team
* Theme: Add tentative URL for report a pledge link
* Theme: Add support for post thumbnails
* Theme: Add org logo to single pledge view
* Theme: Update `$content_width` to 960
This matches the width of the content in the global header and
the About page.
* Move pledge template to a file used by the template heirarchy
* Clean up some PHPCS errors
* Move pledge structure out to just the list items
* Create file for single pledge styles
* style badge grid into a grid.
* Add a custom image size for the logo
* Update styles
* Un-hide pledges with no confirmed contributors
* Fix content width
