add more missing modules

add some missing modules for debian and ubuntu

update map.jinja with removed archlinux and fpm support

Add intl package name for php7.0

Add support for Ubuntu Xenial Xerus (16.04). Fixes #97

Add php-gearman support

Add missing default package names for Debian/php7.

This was causing an error with the php.ng.redis and php.ng.xdebug states.

Added SNMP module for PHP NG

Adding php 7 map properties.

Fixing php7 pgsql package definition.
Adding mbstring and sqlite package definitions for php7.

Fix for broken test statement that prevents PPA workaround executing

Add composer package

add php-zip support on php and php.ng

add php-apcu for debian stretch (7.0)

support for tidy module, more support for arch-linux

Do not hardcode composer checksum

This allows composer installs to function even if the installer checksum
changes, and doesn't force us to update the formula whenever their
installer changes.

We can do this now as composer upstream provides the checksum on
https://composer.github.io/installer.sig since 2016-04-28.

Update php ng map with debian php 7.0

Explicitly set HOME when running composer install.

Add default pools values

Without this installation fails with:

  The HOME or COMPOSER_HOME environment variable must be set for
  composer to install correctly

minor improvements to archlinux php cli.

Add opcache package for CentOS

Update composer installer sha256 hash

Added the readline PHP package and added support for installing PHP7 …

Run composer installer with PHP

The composer installer has to be executed with PHP itself as detailed on
https://getcomposer.org/download/.

Only add ppa if it doesn't exist.

This comit is in addition to pull request #70. The add-apt-repository command
will only be run when the ppa has not yet been added.

Added the php-mail package for Debian