changed constantize to metaprogramming for the addition of tutorials specific to metaprogramming flaws. In addition, the messages portion of the app needed some generic TLC so I have removed the "new" view in order to bring that functionality into the seed message page/view.
Update benefits.rb accept binary file types.

The modification allows binary file types (e.g. MS word docs) to be uploaded without encountering encoding errors
Merge pull request #123 from raesene/patch-1

Update benefits.rb accept binary file types.
Merge pull request #122 from jasnow/master

Upgraded 2 gems and then rebuilt Gemfile.lock file
Merge branch 'metaprogramming'
Merge branch 'master' of https://github.com/OWASP/railsgoat