Add toString() to Any, fix all tests

#KT-4517 Fixed

libraries/stdlib/src/kotlin/properties/Properties.kt

@@ -6,7 +6,7 @@ import java.util.ArrayList
 public class ChangeEvent(val source: Any, val name: String, val oldValue: Any?, val newValue: Any?) {
     var propogationId: Any? = null
 
-    public fun toString() : String = "ChangeEvent($name, $oldValue, $newValue)"
+    override fun toString(): String = "ChangeEvent($name, $oldValue, $newValue)"
 }
 
 public trait ChangeListener {

libraries/stdlib/src/kotlin/template/Templates.kt

@@ -15,7 +15,7 @@ class StringTemplate(val values : Array<Any?>) {
     /**
      * Converts the template into a String
      */
-    public fun toString() : String {
+    override fun toString() : String {
         val out = StringBuilder()
         forEach{ out.append(it) }
         return out.toString()
@@ -93,7 +93,7 @@ public open class ToStringFormatter : Formatter {
 
     var nullString : String = "null"
 
-    public open fun toString() : String = "ToStringFormatter"
+    override fun toString() : String = "ToStringFormatter"
 
     public override fun format(out : Appendable, value : Any?) {
         if (value == null) {
@@ -121,7 +121,7 @@ public val defaultLocale : Locale = Locale.getDefault()
  */
 public open class LocaleFormatter(val locale : Locale = defaultLocale) : ToStringFormatter() {
 
-    public override fun toString() : String = "LocaleFormatter{$locale}"
+    override fun toString() : String = "LocaleFormatter{$locale}"
 
     public var numberFormat : NumberFormat = NumberFormat.getInstance(locale)!!
 
@@ -151,7 +151,7 @@ public open class LocaleFormatter(val locale : Locale = defaultLocale) : ToStrin
  */
 public class HtmlFormatter(locale : Locale = defaultLocale) : LocaleFormatter(locale) {
 
-    public override fun toString() : String = "HtmlFormatter{$locale}"
+    override fun toString() : String = "HtmlFormatter{$locale}"
 
     public override fun format(out : Appendable, value : Any?) {
         if (value is Node) {

libraries/stdlib/test/CompareTest.kt

@@ -5,7 +5,7 @@ import kotlin.test.*
 import org.junit.Test
 
 class Item(val name: String, val rating: Int): Comparable<Item> {
-    fun toString() = "Item($name, $rating)"
+    override fun toString() = "Item($name, $rating)"
 
     public override fun compareTo(other: Item): Int {
         return compareBy(this, other, { rating }, { name })

libraries/stdlib/test/ListTest.kt

@@ -6,7 +6,7 @@ import org.junit.Test as test
 
 class ListTest {
 
-    test fun toString() {
+    test fun _toString() {
         val data = arrayList("foo", "bar")
         assertEquals("[foo, bar]", data.toString())
     }

libraries/stdlib/test/properties/PropertiesTest.kt

@@ -22,7 +22,7 @@ class Customer() : ChangeSupport() {
         $city = value
     }
 
-    fun toString() = "Customer($name, $city)"
+    override fun toString() = "Customer($name, $city)"
 }
 
 class MyChangeListener() : ChangeListener {

libraries/stdlib/test/regressions/kt1202.kt

@@ -33,7 +33,7 @@ class Failure(val message : String) : ParseResult<Nothing> {
 }
 
 open class Token(val text : String) {
-    fun toString() = text
+    override fun toString() = text
 }
 object LPAR : Token("(")
 object RPAR : Token(")")