TryGhost/Ghost — pull request #3875 by morficus (2014-08-25 01:32:18+00:00)
Title: Makes the default publish date editable (in place of just a placeholder)

closes #3204
- remove original `pubishedAtValue` attribute
- renamed `publishedAtPlaceholder` to `pubishedAtValue`
- template uses `pubishedAtValue` for both value and placeholder