When create DUContexts

[Niko Sams]

>> OR: do we need a new context for the if-statement at all? (probably a
>> very naive idea...)
>
> That is right, don't create a context here if the declarations within those
> blocks are visible outside the blocks. Easy :)
cool :D

> BTW, I am about to start work on an abstract *builder base class to be shared
> between the language supports, when I'm done you'd probably want to port to
> that (should be pretty easy i'd say)
that would be really nice! too much copying happened here.

Are there also plans for other parts?
I basically copied those classes from Java-Support:
- EditorIntegrator
- ParseJob
- PreseSession

niko