minor #19113 [MonologBridge] move HttpKernel component to require section (xabbuh)

This PR was merged into the 2.7 branch.

Discussion
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[MonologBridge] move HttpKernel component to require section

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #19110
| License       | MIT
| Doc PR        |

Nearly every class from the bridge has (directly or indirectly) a dependency on a class from the HttpKernel component. Thus, it for me doesn't make sense to treat it as an optional dependency.

Commits
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138d0cb move HttpKernel component to require section

Author: fabpot

src/Symfony/Bridge/Monolog/composer.json

@@ -17,10 +17,10 @@
     ],
     "require": {
         "php": ">=5.3.9",
-        "monolog/monolog": "~1.11"
+        "monolog/monolog": "~1.11",
+        "symfony/http-kernel": "~2.4"
     },
     "require-dev": {
-        "symfony/http-kernel": "~2.4",
         "symfony/console": "~2.4",
         "symfony/event-dispatcher": "~2.2"
     },