terraform/common.tf: Update the default eco image tag

README.md: Add a paragraph to decribe the jwt-auth-token-config option

Also add a section in the docs/init-acl.md to suggest turning on the jwt
auth config.

README.md: Add a paragraph to decribe the jwt-auth-token-config option

Also add a section in the docs/init-acl.md to suggest turning on the jwt
auth config.

Merge pull request #49 from yifan-gu/add_acl_support

*: Support init acl for the eco

terraform/modules/configuration/config.yaml: reverse data-dir change …

…to fix restoration issue in Docker

Merge pull request #4 from Quentin-M/func_testing

Introduce functional testing

Merge pull request #3 from Quentin-M/3.3

Update to etcd 3.3