Refactor scripting examples:

- split into script def and host part
- remove bad dependencies
- organize it in a way that should be typical for user scenarios

libraries/examples/scripting/jvm-simple-script/build.gradle.kts

@@ -1 +0,0 @@
-import org.jetbrains.kotlin.gradle.dsl.Coroutines

libraries/examples/scripting/jvm-simple-script/host/build.gradle.kts

@@ -0,0 +1 @@
+import org.jetbrains.kotlin.gradle.dsl.Coroutines

libraries/examples/scripting/jvm-simple-script/host/src/org/jetbrains/kotlin/script/examples/jvm/simple/host/host.kt

@@ -1,12 +1,12 @@
 /*
- * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * 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/LICENSE.txt file.
  */
 
-package org.jetbrains.kotlin.script.examples.jvm.simple
+package org.jetbrains.kotlin.script.examples.jvm.simple.host
 
-import org.jetbrains.kotlin.script.util.KotlinJars
-import org.jetbrains.kotlin.utils.PathUtil
+import org.jetbrains.kotlin.script.examples.jvm.simple.MyScript
+import org.jetbrains.kotlin.script.util.*
 import java.io.File
 import kotlin.script.experimental.api.*
 import kotlin.script.experimental.definitions.ScriptDefinitionFromAnnotatedBaseClass
@@ -14,26 +14,15 @@ import kotlin.script.experimental.host.toScriptSource
 import kotlin.script.experimental.jvm.*
 import kotlin.script.experimental.jvmhost.impl.KJVMCompilerImpl
 
-val stdlibFile: File by lazy {
-    KotlinJars.stdlib
-            ?: throw Exception("Unable to find kotlin stdlib, please specify it explicitly via \"kotlin.java.stdlib.jar\" property")
-}
-
-val selfFile: File by lazy {
-    PathUtil.getResourcePathForClass(MyScript::class.java).takeIf(File::exists)
-            ?: throw Exception("Unable to get path to the script base")
-}
-
 inline fun myJvmConfig(
     from: HeterogeneousMap = HeterogeneousMap(),
     crossinline body: JvmScriptCompileConfigurationParams.Builder.() -> Unit = {}
 ) = jvmConfigWithJavaHome(from) {
     signature<MyScript>()
-    dependencies(listOf(stdlibFile), listOf(selfFile))
+    dependencies(scriptCompilationClasspathFromContext("script" /* script library jar name */))
     body()
 }
 
-
 fun evalFile(scriptFile: File): ResultWithDiagnostics<EvaluationResult> {
     val scriptCompiler = JvmScriptCompiler(KJVMCompilerImpl(), DummyCompiledJvmScriptCache())
     val scriptDefinition = ScriptDefinitionFromAnnotatedBaseClass(MyScript::class)

libraries/examples/scripting/jvm-simple-script/host/test/org/jetbrains/kotlin/script/examples/jvm/simple/test/simpleTest.kt

@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.script.examples.jvm.simple.test
 
-import org.jetbrains.kotlin.script.examples.jvm.simple.evalFile
+import org.jetbrains.kotlin.script.examples.jvm.simple.host.evalFile
 import org.junit.Assert
 import java.io.File
 import org.junit.Test

libraries/examples/scripting/jvm-simple-script/script/build.gradle.kts

@@ -0,0 +1 @@
+