Composer and directory structure

Composer with discussed packages.
Directory structure:
- `features` - for behat scenarios
- `src` - for app logic
- `var` - for compiled templates and cache
- `web` - public directory
I would just not go with PHP 5.3 as this is unsupported and old. Yes, many servers and - unfortunately devs - run 5.3, but are they the Vox target group? What's the target group by the way? :-)