[MEDIUM] EZSA-2019-007 Prevent accepting app.php in URL in Platform.sh

PKSA-19g4-dw1s-118z GHSA-6xch-2vxx-5pvr

Affected package: ezsystems/ezplatform

Affected version: >=2.5.0,<2.5.4|>=1.13.0,<1.13.5.1|>=1.7.0,<1.7.9.1

Reported by:
FriendsOfPHP/security-advisories, GitHub