Added more tests to Travis build script

Author: frenck

.travis.yml

@@ -8,7 +8,19 @@ script:
   - composer self-update || true
   - composer validate
   - composer install
+  - ./vendor/bin/behat --version
+  - ./vendor/bin/codecept --version
+  - ./vendor/bin/grumphp --version
+  - ./vendor/bin/jsonlint -h
+  - ./vendor/bin/paratest --version
+  - ./vendor/bin/php-cs-fixer --version
+  - ./vendor/bin/parallel-lint -h
   - ./vendor/bin/phpcs --version
+  - ./vendor/bin/pdepend --version
+  - ./vendor/bin/php7cc --version
+  - ./vendor/bin/phpcpd --version
+  - ./vendor/bin/phploc --version
+  - ./vendor/bin/phpmetrics --version
   - ./vendor/bin/phpmd --version
   - ./vendor/bin/phpunit --version
   - ./vendor/bin/security-checker --version