handle qualified refs in control flow builder

python/testData/codeInsight/controlflow/self.py

@@ -0,0 +1,5 @@
+class A:
+    def __init__(self):
+        self.foo = 1
+        print self.foo
+        

python/testData/codeInsight/controlflow/self.txt

@@ -0,0 +1,8 @@
+0(1) element: null
+1(2) WRITE ACCESS: self
+2(3) element: PyAssignmentStatement
+3(4) WRITE ACCESS: foo
+4(5) element: PyPrintStatement
+5(6) READ ACCESS: self
+6(7) READ ACCESS: foo
+7() element: null

python/testData/codeInsight/controlflow/while.py

@@ -1,4 +1,4 @@
-while condition
+while condition:
     print("Alloha!")
 else:
     print("Bye")