Optimize travis ci job

Change php settings

Add PHP 7.2 support and fix issues on 5.6-7.0-7.1 versions

Install deployer from phar

Add PHP72 Test

Support custom composer repo url and npm registry url

Remove blank lines in php-fpm/Dockerfile70&71

Fix PHP56, workspace build fail: pecl/swoole requires PHP (version >= 7.0.0)

pecl/swoole requires PHP (version >= 7.0.0)

Just do it to avoid Warning message on building the php-fpm container

Just do it to avoid Warning message on building the php-fpm container

workspace container adds swoole

feat: add GMP extension to PHP-fpm