Merge pull request akka#58 from akka/update-dependencies

Update scala, akka and akka http versions

Author: jrudolph

src/main/g8/default.properties

@@ -1,7 +1,7 @@
 name=My Akka HTTP Project
 description=This is a seed project which creates a basic build for an Akka HTTP application using Scala.
-scala_version=2.12.6
+scala_version=2.12.7
 akka_http_version=10.1.5
-akka_version=2.5.16
+akka_version=2.5.17
 organization=com.example
 package=$organization$