minor symfony#10945 [Component][Translation][Loader] Include file path in exception message (skafandri)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes symfony#10945).

Discussion
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[Component][Translation][Loader] Include file path in exception message

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

When Translation component tryes to load an invalid YAML file, you get

    InvalidResourceException: Error parsing YAML.
Which is not very helpful, I spent 1 hour looking for the invalid file, I think is better to include the file path in the exception message.

Commits
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3d576ef Include file path in exception

Author: fabpot

src/Symfony/Component/Translation/Loader/YamlFileLoader.php

@@ -50,7 +50,7 @@ public function load($resource, $locale, $domain = 'messages')
         try {
             $messages = $this->yamlParser->parse(file_get_contents($resource));
         } catch (ParseException $e) {
-            throw new InvalidResourceException('Error parsing YAML.', 0, $e);
+            throw new InvalidResourceException(sprintf('Error parsing YAML, invalid file "%s"', $resource), 0, $e);
         }
 
         // empty file