deprecated delete and manual memory management

[bearophile]

so:

> I agree with others, we need the best documentation we can get on this subject.

In-place allocation (or generally other forms of manual allocation and deallocation) of class instances in D2 is a topic well fit for a *long* article for the iPad2 contest (written for future D programmers coming from C++ too), and later this good article has to go among the D docs of the official documentation :-)

Bye,
bearophile