Merge pull request #446 from project-hatohol/hapi-json-follow-master

[server][HatoholArmPluginGateJSON] Follow DBCache name change
[server][DBTablesConfig] Add TLS related columns

Here are added columns:

  * tls_certificate_path:
    * The path of TLS certificate for the client (= Hatohol itself).
  * tls_key_path:
    * The path of private key for the tls_certificate.
  * tls_ca_certificate_path:
    * The path of TLS certificate of CA.