Problem managing libraries with composer.json
Hello,

I started to learn and use Ratchet recently and I have some issue in managing some libraries with composer.json. So, i started a project and installed composer. The content looks like this:

``` json
{
    "autoload": 
     {
        "psr-0": 
        {
            "MyApp": "src"
        }
    },
    "require": {
        "cboden/ratchet": "0.3.*",
        "react/zmq": "0.2.*|0.3.*"
    }
}
```

It seems that the ratchet libraries are well managed since i have no problem to include them in my php scripts (ex. use Ratchet\Server\IoServer, etc) but for the rest of the libraries i have a problem.

For the first case, when i try to include my application in a php script with:
use MyApp\TheClassName 

it  throws an error: "Class 'MyApp\PDG' not found in /srv/www/htdocs/pdg_realtime/bin/PDG_server.php on line 13"

 so i have to add: 

require dirname(**DIR**) . '/src/MyApp/PDG.php'; 
on the top of the document in order to work properly.

As for the second case, I have installed ZeroMQ. I have put the zmq library in vendor/react folder, unpacked it and installed it from there. The folder name is zmq as it is initialized on the composer.json file. However when i try to include a library from zmq like:

use React\ZMQ\Context; (the pusher example on the Ratchet portal )

it gives:

PHP Fatal error:  Class 'React\ZMQ\Context' not found in /srv/www/htdocs/pdg_realtime/bin/PDG_server.php on line 16

on the line 16 i have: "$context = new React\zmq\Context($loop);"

it seems that composer.jason library does not manage zmq libraries well.

Any suggestions about these issues?

P.S The second case is much more important to me at the moment. 
