Fixed generate:bundle command help escaping
Fixed generate:bundle command help escaping

Console component uses '\<' as the syntax to escape '<' character
since https://github.com/symfony/symfony/pull/4832

peterkokot/SensioGeneratorBundle,zikula/GeneratorBundle,zikula/GeneratorBundle,sensiolabs/SensioGeneratorBundle,webmozart/SensioGeneratorBundle,sensiolabs/SensioGeneratorBundle