Fix old information
Merge pull request #20 from egisatoshi/develop

Fix old information
Add the section of upgrade LeoFS in the admin-guide
Add the erlcloud section
Support the new configuration#1
Support the new configuration#2
Merge branch 'feature/new-configuration' into develop
Modify the section of upgrade LeoFS for LeoFS v0.16.8
Add link in the section of upgrade leofs
Fix typo
Fix an incorrect format
Add the note of s3cmd
Modify the note of s3cmd
Merge branch 'release/0.16.8'