Exclude Travis builds for PHP 5.3, 5.4 with symfony/css-selector 2.x
Exclude Travis builds for PHP 5.3, 5.4 with symfony/css-selector 2.x

Symfony dropped support for 5.3 and 5.4 in 3.0.

OpenBuildings/spiderling,OpenBuildings/spiderling,OpenBuildings/spiderling