Add specialization overloads for Float.rangeTo and Double.rangeTo to resolve them statically.

js/js.libraries/src/core/ranges.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package kotlin.ranges
+
+@SinceKotlin("1.1")
+public inline operator fun Float.rangeTo(that: Float): ClosedRange<Float> =
+        this.toDouble().rangeTo(that.toDouble()) as ClosedRange<Float>