clean conversation spec
add opt ot class
optin conversation methods and specs
filter recipients in email dispatcher
Use the system provided libxml2 on Travis
Add rubysl for rubinius
Update travis badge for mailboxer/mailboxer [ci skip]
Add rubysl-logger to gemspec for rbx
Add rubysl-enumerator to gemspec for rbx
Add the whole SL to the rubinius build
Disable rubinius builds.
The sqlite3 gem doesn't work under rubinius. Explained here:
https://github.com/travis-ci/travis-ci/issues/2006
Update README.md

Because bundle update will update all of the gems and may break compatibility.
Merge pull request #226 from mailboxer/optout

Optout
Merge pull request #249 from jezenielzapanta/patch-1

Update README.md
scope fix

This should be uniq not DISTINCT
Update mailbox_spec.rb
configuration options for maximum length of subject and body.
Merge pull request #253 from Musaffa/master

configuration options for maximum length of subject and body.
Merge pull request #250 from ahmadhussain/patch-1

scope fix
Exclude Rails 4.1 from the gemspec. It generates bad queries