Implement kotlin.jvm.overloads annotation for generating all overloads of a method that has default parameter values.

#KT-2095 Fixed

compiler/testData/codegen/boxWithStdlib/jvmOverloads/companionObject.kt

@@ -0,0 +1,12 @@
+class C {
+    companion object {
+        [kotlin.platform.platformStatic] [kotlin.jvm.overloads] public fun foo(o: String, k: String = "K"): String {
+            return o + k
+        }
+    }
+}
+
+fun box(): String {
+    val m = javaClass<C>().getMethod("foo", javaClass<String>())
+    return m.invoke(null, "O") as String
+}