abbreviated names (from imports) not allowed in class implements arg

[ericatkin]

import from java.awt.event import ActionListener

class MyActionListener(implements=ActionListener):
    pass

vs

class MyActionListener(implements=java.awt.event.ActionListener):
    pass

This is apparently also an issue for type annotations on function arguments and return types.

[freakboy3742]

Interestingly - the solution for this will also help solve #255.