first functioning document upload code
Documents own uploaded files, Articles own documents.

put list of documents on article::show page
Merge branch 'master' into s3upload

* master:
  1) Mods for Scoreboard and the new "Staging" status, 2) computing next publish date and 3) added seeding of recent articles.
Documents own uploaded files, Articles own documents.

put list of documents on article::show page