Finally make it possible to use auto_import_modules for packages

This means that you can now write 'from gi.repository import Gtk' and Gtk completions work.

It also means that other libraries could be used like that for speed or other reasons.

Fixes #531

jedi/evaluate/compiled/context.py

@@ -81,6 +81,10 @@ class CompiledObject(Context):
             for access in self.access_handle.py__bases__()
         )
 
+    @CheckAttribute
+    def py__path__(self):
+        return self.access_handle.py__path__()
+
     def py__bool__(self):
         return self.access_handle.py__bool__()