Rearrange kotlin-stdlib-js library sources

Move kotlin.* api inside kotlin directory.
Update copyright paths.

libraries/stdlib/js/runtime/hacks.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+@file:Suppress("WRONG_EXTERNAL_DECLARATION")
+package kotlin.js
+
+import kotlin.annotation.AnnotationTarget.*
+
+@Retention(AnnotationRetention.BINARY)
+@Target(CLASS, FUNCTION, PROPERTY, CONSTRUCTOR, PROPERTY_GETTER, PROPERTY_SETTER)
+internal external annotation class JsName(val name: String)
+
+internal external annotation class native
+
+external fun js(code: String): dynamic