Removed not used sbt-scala-native plugin and fixed importing the proj…

…ect into intellij (#2382)

build.sbt

@@ -118,6 +118,11 @@ lazy val commonJvmSettings = Seq(
   }
 )
 
+lazy val commonNativeSettings = Seq(
+  scalaVersion := "2.11.12", //TODO load scala version form .travis.yml: https://github.com/dwijnand/sbt-travisci/issues/11
+  crossScalaVersions := Seq("2.11.12")
+)
+
 lazy val includeGeneratedSrc: Setting[_] = {
   mappings in (Compile, packageSrc) ++= {
     val base = (sourceManaged in Compile).value
@@ -351,9 +356,9 @@ lazy val kernel = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .settings(includeGeneratedSrc)
   .jsSettings(commonJsSettings)
   .jvmSettings(commonJvmSettings ++ mimaSettings("cats-kernel"))
+  .nativeSettings(commonNativeSettings)
   .settings(libraryDependencies += "org.scalacheck" %%% "scalacheck" % scalaCheckVersion(scalaVersion.value) % "test")
 
-
 lazy val kernelJVM = kernel.jvm
 lazy val kernelJS = kernel.js
 lazy val kernelNative = kernel.native