* [scala][akka] Update dependencies for scala 2.13
* Update pom.mustache to support multiple scala's version
* Update pom.xml
* Scala cross build 2.12 and 2.13
* Update version. Migrate to sbt
* Remove space
* Add pom.xml back
* [scala][akka-http-client] java8 dates support
* scala-akka readme doc updated
* DateSerializers renamed
* rename serializers
* move date-library option to abstractScala
* generators docs updated
* enum defined for date libraries
* Backport to scala-http-client
* fix scala-akka-client date serializers
* fix typo in docs
* switch scala templates to java8 (jsr-310) date library by default
* update scala samples with java8 date library
* update scala generators docs with java8 default date library
* fix scala-play-server generator cli options as only java8 dateLibrary supported
* fix scalaz DateTimeCodecs template to support java8
* scalaz ci test againt java7 removed as it generate scala 2.11.8 client which is java8 based
* 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