feature #485 [RFC] Run lint commands on TravisCI (bocharsky-bw, javiereguiluz)

This PR was merged into the master branch.

Discussion
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[RFC] Run lint commands on TravisCI

Commits
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cb6c5c8 Make the linted resources less restrictive (to lint TwigBundle templates too)
c010b76 Used the bundle notation
6a08a12 Also lint Yaml and Twig files in CodeExplorerBundle
10d44f9 Remove lint:xliff command from TravisCI
a267189 Revert "Upgrade Symfony to dev-master"
0fa6847 Run lint commands on TravisCI
f2b5581 Upgrade Symfony to dev-master

Author: javiereguiluz

.travis.yml

@@ -25,3 +25,6 @@ install:
 script:
   - ./vendor/bin/phpunit
   - ./vendor/bin/php-cs-fixer fix --diff --dry-run -v
+  - ./bin/console lint:yaml app/config
+  - ./bin/console lint:yaml @CodeExplorerBundle
+  - ./bin/console lint:twig app/Resources @CodeExplorerBundle