Use latest Scala and Spark

build.sbt

@@ -4,12 +4,11 @@ val org = "github.com/adelbertc/frameless"
 val license = ("Apache-2.0", url("http://opensource.org/licenses/Apache-2.0"))
 
 val sparkDataset = "1.6.0"
-val sparkDataFrame = "1.5.2"
 val sparkTesting = "0.3.1"
 val scalatest = "2.2.5"
 val shapeless = "2.2.5"
 val scalacheck = "1.12.5"
-val scalaVersions = Seq("2.10.6", "2.11.7")
+val scalaVersions = Seq("2.11.7")
 
 lazy val root = Project("frameless", file("." + "frameless")).in(file("."))
   .aggregate(common, dataset, dataframe)
@@ -18,7 +17,7 @@ lazy val root = Project("frameless", file("." + "frameless")).in(file("."))
 lazy val common = project
   .settings(framelessSettings: _*)
   .settings(libraryDependencies ++= Seq(
-    "org.apache.spark" %% "spark-sql"          % sparkDataFrame,
+    "org.apache.spark" %% "spark-sql"          % sparkDataset,
     "com.holdenkarau"  %% "spark-testing-base" % (sparkDataFrame + "_" + sparkTesting) % "test"))
 
 lazy val dataset = project