Upgrade to symfony 2.2, 2.3 and 2.4

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | yes
| BC breaks?    | yes (sf 2.0 and 2.1 is not supported)
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #46, #40, #48
| License       | MIT

To  test this branch in your project, add this to your composer.json:

    "repositories": [
        {
            "type": "vcs",
            "url": "https://github.com/pulzarraider/BeSimpleI18nRoutingBundle"
        }

    "besimple/i18n-routing-bundle": "dev-symfony_2_2",

WARNING: this branch will be deleted after merging into master.