ReadUpCode/readup — pull request #94 by DougKong (2013-10-18 17:42:32+00:00)
Title: add back in code to allow only 1 version of an item.  add in twitter button for each item.

* add back in code to have only 1 version of an item.
* add an upvote to an item for original poster.
* add new tags, categories and an upvote for all subsequent reposters of same item.

* add in twitter button.

* add in environment variable for Alchemy key