removing deprication warning
Merge pull request #33 from ScotterC/ruby-2.0

Ruby 2.0
Updated rbenv-version, fixes #34 (allow rbx failures)
I think I fixed the .travis.yml
Merge branch 'missing-proc' of https://github.com/ScotterC/delayed_paperclip into ScotterC-missing-proc
Merge #29
Released delayed_paperclip-2.6.0.0.