CS fixes via php-cs-fixer

$ php-cs-fixer --verbose fix src/
   1) Aura/Uri/Host.php (trailing_spaces)
   2) Aura/Uri/HttpAdapter/CurlHttpAdapter.php (trailing_spaces)
   3) Aura/Uri/HttpAdapter/HttpAdapterInterface.php (trailing_spaces)
   4) Aura/Uri/Path.php (trailing_spaces, return, controls_spaces)
   5) Aura/Uri/PublicSuffixList.php (trailing_spaces)
   6) Aura/Uri/PublicSuffixListManager.php (trailing_spaces)
   7) Aura/Uri/Query.php (trailing_spaces)
   8) Aura/Uri/Url/Factory.php (trailing_spaces)
   9) Aura/Uri/Url.php (trailing_spaces, return)