minor #420 Switch to the new twigcs library (OwlyCode)

This PR was merged into the 1.0-dev branch.

Discussion
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Switch to the new twigcs library

Hello,

Since friendsoftwig/twigcs#68, the tool moved from `allocine` to `friendsoftwig` and will receive new updates (bugfixes, new twig syntax support, ...) from here.

Here's a PR to handle this change !

Commits
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437b9f2 Switch to the new twigcs library

Author: weaverryan

composer.json

@@ -24,7 +24,7 @@
         "symfony/http-kernel": "^3.4|^4.0"
     },
     "require-dev": {
-        "allocine/twigcs": "^3.0",
+        "friendsoftwig/twigcs": "^3.0",
         "doctrine/doctrine-bundle": "^1.8",
         "doctrine/orm": "^2.3",
         "friendsofphp/php-cs-fixer": "^2.8",