don't include `include` if it isn't going to include anything else

Mail related PHP Pear system packages

FreeBSD support: ctype & session

php.ng.apache2 & php.ng.composer: FreeBSD support

(Command was not working on Ubuntu 16.04.)
Both Ubuntu's and RedHat's man pages of test list -gt, but not >
as their 'greater than' operator.

added

  - php.ng.filter
  - php.ng.hash
  - php.ng.openssl
  - php.ng.phar

(Command was not working on Ubuntu 16.04.)
Both Ubuntu's and RedHat's man pages of test list -gt, but not >
as their 'greater than' operator.

added

  - php.ng.filter
  - php.ng.hash
  - php.ng.openssl
  - php.ng.phar

This reverts commit d2786dcef6.

fix iteritems for python3

Changed method to detect if composer self-update is needed.

fixed copy/paste error

added support for ubuntu 17.10 / php7.1

variable `phpng_version` was used here instead of `php_version`