Add ScriptExpectedLocations annotation to script-runtime.

It describes where script file can be found.

core/script.runtime/src/kotlin/script/experimental/location/scriptLocation_deprecated.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.script.experimental.location
+
+/**
+ * Describes where script files can be found
+ */
+@Deprecated("Experimental API")
+enum class ScriptExpectedLocation {
+    SourcesOnly, // Under sources roots
+    TestsOnly,   // Under test sources roots
+    Libraries,   // Under libraries classes or sources
+    Project,     // Under project folder, including sources and test sources roots
+    Everywhere;
+}
+
+@Deprecated("Experimental API")
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class ScriptExpectedLocations(
+    val value: Array<ScriptExpectedLocation> = [ScriptExpectedLocation.SourcesOnly, ScriptExpectedLocation.TestsOnly]
+)