Fix the "doctrine file uploads" cookbook examples, see symfony/symfony-docs#600
cs fixes
more cs fixes
add missing space
end short descriptions in PHPdoc comment with a .
fix delete the old image before the move of new image because of the same name
fix a case when you set only the file field for the first time
Merge branch 'enhancing-doctrine-file-uploads' of github.com:mahmouds/symfony-docs into mahmouds-enhancing-doctrine-file-uploads

Conflicts:
	cookbook/doctrine/file_uploads.rst