Fix bug 1104228 - missing php-5.4 scl in PATH

Make sure all PHP 5.4 apps have "/opt/rh/php54/root/usr/bin" path
in OPENSHIFT_PHP_PATH_ELEMENT env var.

https://bugzilla.redhat.com/show_bug.cgi?id=1104228

Also, fix migration (wrong current version).
Merge pull request #5484 from VojtechVitek/bug_1104228

Merged by openshift-bot