feature #14700 [DependencyInjection] [Routing] [Config] Recursive directory loading (lavoiesl, nicolas-grekas)

This PR was merged into the 2.8 branch.

Discussion
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[DependencyInjection] [Routing] [Config] Recursive directory loading

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #13246, #11045, #11059
| License       | MIT
| Doc PR        | -

Commits
-------

60b1c5b Added CHANGELOG entries, cleanups
73f0ee2 [DI][Routing] recursive directory loading

Author: fabpot

Resources/config/routing.xml

@@ -45,6 +45,11 @@
             <argument type="service" id="file_locator" />
         </service>
 
+        <service id="routing.loader.directory" class="Symfony\Component\Routing\Loader\DirectoryLoader" public="false">
+            <tag name="routing.loader" />
+            <argument type="service" id="file_locator" />
+        </service>
+
         <service id="routing.loader" class="%routing.loader.class%">
             <tag name="monolog.logger" channel="router" />
             <argument type="service" id="controller_name_converter" />

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=5.3.9",
         "symfony/asset": "~2.7|~3.0.0",
-        "symfony/dependency-injection" : "~2.6,>=2.6.2",
+        "symfony/dependency-injection" : "~2.8",
         "symfony/config" : "~2.4",
         "symfony/event-dispatcher": "~2.5|~3.0.0",
         "symfony/http-foundation": "~2.4.9|~2.5,>=2.5.4|~3.0.0",