CLI, Ant: add kotlin-reflect.jar to classpath by default, support "-no-reflect"

Note that now "-no-stdlib" implies "-no-reflect".

 #KT-13237 Fixed

compiler/testData/cli/jvm/noReflect.kt

@@ -0,0 +1,6 @@
+import kotlin.reflect.*
+
+fun foo() {
+    String::class.primaryConstructor
+    listOf(42)
+}