remove obsolete php .spec fedora18 condition
add php-intl pecl as php cartridge dependency

Card online_cartridge_46 - https://trello.com/c/2pa1cJDC
add php54 SCL dependency on RHEL-6

Card online_cartridge_85 - https://trello.com/c/1Xs4HUzw
add cucumber tests for php54 SCL on RHEL-6

Card online_cartridge_85 - https://trello.com/c/1Xs4HUzw
enable php54 SCL, add php_context lib

Card online_cartridge_85 - https://trello.com/c/1Xs4HUzw
add php-5.4 to REST API tests
Merge pull request #4338 from VojtechVitek/php54

Merged by openshift-bot