Joël Vimenet 5074f4d9c5 Update akka scala generator (#2472)
* Update akka scala generator

* Upgrade scala version to 2.12.8
* Upgrade Akka version
* Migrate from spray to Akka HTTP

* Update client sample

* Fix pom.xml generation to be equivalent to build.sbt
2019-03-25 13:12:56 +08:00
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