RokkieBrown

Remove `final` keyword and change visibility of `handle` and `filename` properties to `protected`.

The `realpath` function doesn't work with streamwrappers, @see [https://github.com/mikey179/vfsStream/wiki/Known-Issues](https://github.com/mikey179/vfsStream/wiki/Known-Issues).

CLI fails from behind proxy

17

When the environment variables `http_proxy`/`https_proxy` are set, the CLI fails: ``` http_proxy=http://localhost \ https_proxy=http://localhost \ PLATFORMSH_CLI_TOKEN=xxx-yyy-zzz \ php ./bin/platform project:info ``` Results in ``` [ConnectException] cURL error 7: Unsupported proxy...