Make scruffy compatible with Java 9 (#3125)

frameworks/Scala/scruffy/build.sbt

@@ -2,7 +2,7 @@ name := "scruffy-benchmark"
 
 organization := "com.sksamuel.scruffy"
 
-scalaVersion := "2.11.6"
+scalaVersion := "2.11.12"
 
 version := "11.0" // version 0 for round 11
 
@@ -12,5 +12,3 @@ libraryDependencies ++= Seq(
   "com.sksamuel.scruffy" %% "scruffy-client" % "1.13.0" % "test",
   "org.mongodb" %% "casbah-core" % "2.8.0"
 )
-
-sbtassembly.Plugin.assemblySettings

frameworks/Scala/scruffy/project/build.properties

@@ -1 +1 @@
-sbt.version=0.13.16
+sbt.version=1.0.4

frameworks/Scala/scruffy/project/plugins.sbt

@@ -1 +1 @@
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.11.2")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.6")