Update WSUWP common nginx configuration to handle document revisions
Add comment about static files served in wp-content
Merge pull request #137 from washingtonstateuniversity/nginx-document-revisions

[PR] Add Nginx rule to support WP Document Revisions
Update Salt Bootstrap script to 2014.10.30
Merge branch 'update-bootstrap' of github.com:washingtonstateuniversity/WSU-Web-Provisioner into update-bootstrap