Suwon Chae 2017-02-04 1ae2c41 docs: Update docs and support english docs UNIX

Backup and Restore



Back up various settings and files

The entire directory specified by the YONA_DATA environment variable is kept compressed.

Note: The directory description created in YONA_DATA

- conf - where server configuration files are located
- uploads - where uploaded attachments are located
- repo - code repository files
- logs - log files