PHP5 EOL

As php5 is EOL in 31 Dec 2018 https://secure.php.net/supported-versions.php

- remove php5* packages & fix dependencies (5 - cacti-php5, phoronix-test-suite, phpldapadmin, rutorrent, zoneminder)

- rename php7 packages prefix to php-

• for 3.9 release split peal/non-pecl packages like #9277

(from redmine: issue id 9291, created on 2018-08-20, closed on 2019-01-23)

• Relations:
  • relates #9277 (closed)
  • relates #6810 (closed)
  • relates #6353 (closed)