Add RabbitMQ,Elasticsearch,Mongodb servers

1. Add extension install message.
2. Fix swoole ssl problem.
3. Add Yaf, phpampq, ampq, mongodb, rar, ast, msgpack, igbinary, seaslog, yac, yaconf, event extensions.
4. Add docker-compose-sample.yml file.
5. Add RabbitMQ server.
6. Add Elasticsearch, Logstash and Kibana (ELK) servers.
7. Add Mongodb server.
8. Add Memcached server.
9. Add Openresty server.

v1.3

1. Use .env file for settings
2. Update README file
3. Update php.ini and mysql.cnf

v1.2

1. Add phpmyadmin and redismyadmin
2. Change directory structure
3. Install mcrypt and opcache base on php version
4. Add swoole extension
5. Add multi php version co-exists
6. Merge 2 demo website directory to one
7. Display extensions name and version in demo code
8. Config php.ini and mysql.conf default timezone to Asia/Shanghai
9. Add .dockerignore
10. Add multi-core compilation support

v1.1 - Multi PHP version supporting

1. Update PHP7.1 to PHP7.2
2. Add PHP5.4 and PHP5.6
3. Remove install igbinary default
4. Change mysql config file to set MySQL default charset to utf8mb4
5. Move Dockerfile to php directory
6. Fix some bug

v1.0

First version