Release-1.0.3

1. Added: adding host function
2. Added: adding gateway function
3. Added: routing location context write function
4. Fixed some defects
5. Added installation shell & dockerfile support
6. Optimized wiki & document

release 1.0.2

1. 添加ngr，ngrAdmin自动化部署脚本
2. 添加基于centos 7.x版本的RPM离线安装包：ngr-1.0.2-1.el7.centos.standalone.x86_64.rpm
3. 优化文档，项目标志，SLOGON & LOGO