[Releasing] Current beta installers

[casper.vandonderen at nokia.com]

> A more severe issue: the docs are almost completely missing from
> assistant. Only the assistant docs are there.

That is because we don't have qhelpgenerator available in the script that produces the installers, we just run "make online_docs" in qtdoc and copy that over (I think).

We should probably start running "make qch_docs" in qtdoc instead, which requires qhelpgenerator from qttools.

Casper