Resolve callable reference expressions

#KT-1183 In Progress

compiler/testData/diagnostics/tests/callableReference/longQualifiedName.kt

@@ -0,0 +1,15 @@
+// FILE: a.kt
+
+package a.b.c
+
+class D {
+    fun foo() = 42
+}
+
+// FILE: b.kt
+
+fun main() {
+    val x = a.b.c.D::foo
+
+    x : KMemberFunction0<a.b.c.D, Int>
+}