Support :: references to properties in frontend

#KT-1183 In Progress

compiler/testData/diagnostics/testsWithStdLib/callableReference/property/topLevelFromTopLevel.kt

@@ -0,0 +1,28 @@
+var x: Int = 42
+val y: String get() = "y"
+
+fun testX() {
+    val xx = ::x
+    xx : KMutableTopLevelProperty<Int>
+    xx : KTopLevelProperty<Int>
+    xx : KMutableProperty<Int>
+    xx : KProperty<Int>
+    xx : KCallable<Int>
+
+    xx.name : String
+    xx.get() : Int
+    xx.set(239)
+}
+
+fun testY() {
+    val yy = ::y
+    <!TYPE_MISMATCH!>yy<!> : KMutableTopLevelProperty<String>
+    yy : KTopLevelProperty<String>
+    <!TYPE_MISMATCH!>yy<!> : KMutableProperty<String>
+    yy : KProperty<String>
+    yy : KCallable<String>
+
+    yy.name : String
+    yy.get() : String
+    yy.<!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>set<!>("yy")
+}