Merge pull request #536 from greg0ire/different-doc-dir

Configure the documentation directory for each branch

Author: greg0ire

.symfony.bundle.yaml

@@ -1,4 +1,4 @@
 branches: ["2.2.x", "3.0.x", "3.1.x", "3.2.x", "3.3.x", "3.4.x"]
 maintained_branches: ["2.2.x", "3.3.x", "3.4.x"]
-doc_dir: "Resources/doc/"
+doc_dir: {"2.2.x": "Resources/doc/", "3.3.x": "Resources/doc/", "3.4.x": "docs/"}
 dev_branch: "3.4.x"