Update dependencies

[ngocdaothanh]

Scala from 2.12.1 to 2.12.2: https://github.com/scala/scala/milestone/59?closed=1

Netty from 4.1.9 to 4.1.11:

• http://netty.io/news/2017/05/12/4-0-47-Final-4-1-11-Final.html
• http://netty.io/news/2017/04/30/4-0-46-Final-4-1-10-Final.html

Akka from 2.4.17 to 2.5.2:

• http://akka.io/blog/news/2017/05/24/akka-2.5.2-released
• http://akka.io/blog/news/2017/05/02/akka-2.5.1-released
• http://akka.io/blog/news/2017/04/13/akka-2.5.0-released
• http://akka.io/blog/news/2017/05/02/akka-2.4.18-released

Other libraries:

• JSON4S from 3.5.1 to 3.5.2
• sockjs-client from 1.1.2 to 1.1.4
• swagger-ui from 2.2.10 to 3.0.10