Add API to get locations of collected script annotations

#KT-38404 fixed

also:
- Add wrapper class for the location combined with the location id
- Add source code location parameters to external dependency resolvers
- Add tests for locations in annotations
- Add tests for order of annotation resolution for dependencies resolvers

libraries/scripting/common/src/kotlin/script/experimental/util/filterByAnnotationType.kt

@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.util
+
+import kotlin.script.experimental.api.*
+
+inline fun <reified A : Annotation> Iterable<ScriptSourceAnnotation<*>>.filterByAnnotationType(
+): List<ScriptSourceAnnotation<A>> = filter { it.annotation is A }
+    .map {
+        @Suppress("UNCHECKED_CAST")
+        it as ScriptSourceAnnotation<A>
+    }