Add missing classes to work without builtins. (#57)

runtime/src/main/kotlin/kotlin/Annotation.kt

@@ -0,0 +1,8 @@
+package kotlin
+
+/**
+ * Base interface implicitly implemented by all annotation interfaces.
+ * See [Kotlin language documentation](http://kotlinlang.org/docs/reference/annotations.html) for more information
+ * on annotations.
+ */
+public interface Annotation

runtime/src/main/kotlin/kotlin/Throwable.kt

@@ -0,0 +1,15 @@
+package kotlin
+
+/**
+ * The base class for all errors and exceptions. Only instances of this class can be thrown or caught.
+ *
+ * @param message the detail message string.
+ * @param cause the cause of this throwable.
+ */
+public open class Throwable(open val message: String?, open val cause: Throwable?) {
+    constructor(message: String?) : this(message, null)
+
+    constructor(cause: Throwable?) : this(cause?.toString(), cause)
+
+    constructor() : this(null, null)
+}

runtime/src/main/kotlin/kotlin/annotations.kt

@@ -10,11 +10,20 @@ package kotlin
  */
 //@Target(AnnotationTarget.FUNCTION)
 //@Retention(AnnotationRetention.SOURCE)
-annotation class SymbolName(val name: kotlin.String)
+annotation class SymbolName(val name: String)
 
 /**
  * Exports the TypeInfo of this class by given name to use it from runtime.
  */
 //@Target(AnnotationTarget.CLASS)
 //@Retention(AnnotationRetention.SOURCE)
-annotation class ExportTypeInfo(val name: kotlin.String)
+annotation class ExportTypeInfo(val name: String)
+
+/**
+ * Suppresses the given compilation warnings in the annotated element.
+ * @property names names of the compiler diagnostics to suppress.
+ */
+//@Target(CLASS, ANNOTATION_CLASS, PROPERTY, FIELD, LOCAL_VARIABLE, VALUE_PARAMETER,
+//        CONSTRUCTOR, FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER, TYPE, EXPRESSION, FILE, TYPEALIAS)
+//@Retention(SOURCE)
+public annotation class Suppress(vararg val names: String)