opf/openproject — pull request #117 by tessi (2013-05-07 13:29:48+00:00)
Title: Use thin instead of WEBrick

Use thin instead of WEBrick, to get rid of the 'WARN Could not determine content-length of response body' Errors (a bug in WEBrick)

see: http://stackoverflow.com/questions/9612618/warn-could-not-determine-content-length-of-response-body-set-content-length-of