Cleanup ordering, improve API

js/js.libraries/src/core/javautil.kt

@@ -8,7 +8,7 @@ private val DEFAULT_LOAD_FACTOR = 0.75f
 
 library
 public trait Comparator<T> {
-    fun compare(obj1: T, obj2: T): Int;
+    public fun compare(obj1: T, obj2: T): Int;
 }
 
 library

js/js.libraries/src/core/kotlin.kt

@@ -2,9 +2,6 @@ package kotlin
 
 import java.util.*
 
-library("comparator")
-public fun comparator<T>(f : (T, T) -> Int): Comparator<T> = noImpl
-
 library
 public fun <T> array(vararg value : T): Array<T> = noImpl
 

js/js.translator/testData/kotlin_lib.js

@@ -831,29 +831,6 @@
         compare: throwAbstractFunctionInvocationError("Comparator#compare")
     });
 
-    /**
-     * @class
-     * @implements {Kotlin.Comparator.<T>}
-     *
-     * @constructor
-     * @param {function(T,T): Boolean} comparator
-     * @template T
-     */
-    var ComparatorImpl = Kotlin.createClassNow(Kotlin.Comparator,
-        function (comparator) {
-            this.compare = comparator;
-        }
-    );
-
-    /**
-     * @param {function(T,T): Boolean} f
-     * @returns {Kotlin.Comparator.<T>}
-     * @template T
-     */
-    Kotlin.comparator = function (f) {
-        return new ComparatorImpl(f);
-    };
-
     Kotlin.collectionsMax = function (c, comp) {
         if (c.isEmpty()) {
             //TODO: which exception?