Move everything under kotlin-native folder

I was forced to manually do update the following files, because otherwise
they would be ignored according .gitignore settings. Probably they
should be deleted from repo.

Interop/.idea/compiler.xml
Interop/.idea/gradle.xml
Interop/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_runtime_1_0_3.xml
Interop/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_0_3.xml
Interop/.idea/modules.xml
Interop/.idea/modules/Indexer/Indexer.iml
Interop/.idea/modules/Runtime/Runtime.iml
Interop/.idea/modules/StubGenerator/StubGenerator.iml
backend.native/backend.native.iml
backend.native/bc.frontend/bc.frontend.iml
backend.native/cli.bc/cli.bc.iml
backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt
backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.kt
backend.native/tests/link/lib/foo.kt
backend.native/tests/link/lib/foo2.kt
backend.native/tests/teamcity-test.property

kotlin-native/backend.native/tests/serialization/deserialized_listof0.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+package serialization.deserialized_listof0
+
+import kotlin.test.*
+
+fun test_arrayList() {
+    val l = listOf(1, 2, 3)
+    val m = listOf<Int>()
+    val n = l + m
+    println(n)
+}
+
+fun <T> test_arrayList2(x: T, y: T, z: T) {
+    val l = listOf<T>(x, y, z)
+    val m = listOf<T>()
+    val n = m + l
+    println(l)
+}
+
+fun test_arrayList3() {
+    val l = listOf<String>()
+    val m = listOf<String>("a", "b", "c")
+    val n = l + m
+    println(n)
+}
+
+@Test fun runTest() {
+    test_arrayList()
+    test_arrayList2<Int>(5, 6, 7)
+    test_arrayList2<String>("a", "b", "c")
+    test_arrayList3()
+}
+