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

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

@@ -0,0 +1,36 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+public class A {
+    static void foo() {}
+}
+
+// FILE: 1.kt
+open class B : A() {
+    companion object {
+        fun foo() = 1
+    }
+
+    init {
+        val a: Int = foo()
+    }
+}
+
+class C: B() {
+    init {
+        val a: Int = foo()
+    }
+}
+
+// FILE: X.java
+public class X extends B {
+    static double foo() {
+        return 1.0
+    }
+}
+
+// FILE: 2.kt
+class Y: X() {
+    init {
+        val a: Double = <!TYPE_MISMATCH!>foo()<!> // todo
+    }
+}