added travis-ci build status image
improved functionality, checking if notify-send command is available
- replaced shell_exec with a more robust Symfony\Component\Process\Process class
- tests failed if you run them on a non-ubuntu box
- tested on ubuntu 13.04 and mac osx 10.8.4
minor fixes:
- restored getEmailClient and setEmailClient in Namshi\Notificator\Notification\Handler\EmailVision.php
- Namshi\Notificator\Notification\Handler\NotifySend::handle returns the output
- removed blank line in Namshi\Notificator\Notification\Handler\NotifySend
- add phpdoc to Namshi\Notificator\Exception\ExecutableNotFoundException
Update README.md
Fixed typos
Merge pull request #9 from pborreli/typos

Fixed typos
Merge pull request #8 from cirpo/master

tests are failing if you are not running them on a ubuntu box :)
fixed tests on ubuntu machines having notify-send installed /cc @cirpo
added suggestions on composer.json
added a raw handler for RabbitMQ:
* added the handler
* added the notification interface for RabbitMQ
* added a simple notification class for RabbitMQ
* integrated a test
* refactored tests (duplicated stub code)
fixed tests on stupid php 5.3.3...
updated dependencies
added the HipChat handler
updated examples