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/runtime/basic/standard.kt

@@ -0,0 +1,32 @@
+/*
+ * 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 runtime.basic.standard
+
+import kotlin.test.*
+
+class Foo(val bar: Int)
+
+fun <T> assertEquals(actual: T, expected: T) {
+    if (actual != expected) throw AssertionError("Assertion failed. Expected value: $expected, actual value: $actual")
+}
+
+@Test fun runTest() {
+    try {
+        TODO()
+        throw AssertionError("TODO() doesn't throw an exception")
+    } catch(e: NotImplementedError) {}
+
+    val foo = Foo(42)
+    assertEquals(run { 42 }, 42)
+    assertEquals(foo.run { bar }, 42)
+    assertEquals(with(foo) { bar }, 42)
+    assertEquals(foo.apply { bar }, foo)
+    assertEquals(foo.also { it.bar }, foo)
+    assertEquals(foo.let { it.bar }, 42)
+    var i = 0
+    repeat(10) { i++ }
+    assertEquals(i, 10)
+}