* Rename scripts akka-scala-petstore.sh -> scala-akka-petstore.sh

* Rename sample folder: akka-scala -> scala-akka

* Rename templateDir: akka-scala -> scala-akka-client

* Rename scripts: scala-petstore.sh -> scala-httpclient-petstore.sh

* Rename sample folder: scala -> scala-httpclient

* Rename templateDir: scala -> scala-httpclient

* update circle pom.xml for new scala path

* remove duplicated scala test