Added static methods, nested classes and companion object from superclasses.

compiler/testData/diagnostics/tests/scopes/inheritance/statics/staticVsOuter.kt

@@ -0,0 +1,19 @@
+// FILE: A.java
+public class A {
+    public static int foo() {return 1;}
+}
+
+// FILE: B.java
+public class B extends A {
+    public static int foo() {return 1;}
+}
+
+// FILE: 1.kt
+
+fun foo() = ""
+
+class C: B() {
+    init {
+        val <!UNUSED_VARIABLE!>a<!>: Int = foo()
+    }
+}