FIXED : CI : Error with the generation of the PHPDoc

Deprecated: phpDocumentor2 should be run from the phpdoc file, not phpdoc.php in /home/travis/build/PHPOffice/PHPWord/vendor/phpdocumentor/phpdocumentor/bin/phpdoc.php on line 13

Refs : https://github.com/phpDocumentor/phpDocumentor2/blob/395af1d42a3fe8af7eedeea28e530ab2fdd2bd06/bin/phpdoc.php

Author: Progi1984

.travis.yml

@@ -50,7 +50,7 @@ script:
     ## PHPUnit
     - phpunit -c ./ --coverage-text --coverage-html ./build/coverage
     ## PHPDocumentor
-    - vendor/bin/phpdoc.php -q -d ./src -t ./build/docs --ignore "*/src/PhpWord/Shared/*/*" --template="responsive-twig"
+    - vendor/bin/phpdoc -q -d ./src -t ./build/docs --ignore "*/src/PhpWord/Shared/*/*" --template="responsive-twig"
 
 after_script:
     ## PHPDocumentor