minor #2659 Travis - speed up preparation for phar building (keradus)
minor #2659 Travis - speed up preparation for phar building (keradus)

This PR was merged into the 2.2-dev branch.

Discussion
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Travis - speed up preparation for phar building

Commits
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5bc09e6 Travis - speed up preparation for phar building

Slamdunk/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,lucasmichot/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,keradus/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,Soullivaneuh/PHP-CS-Fixer,keradus/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,Soullivaneuh/PHP-CS-Fixer,lucasmichot/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer