[PUSHED][REVIEW-3-5] Better fix for ThreadPool/ORequestThread life cycle

[Caolán McNamara]

On Wed, 2012-05-23 at 14:33 +0200, Stephan Bergmann wrote:
> With this second fix, however, calling unopkg add/remove of active.oxt 
> and passive.oxt (from desktop/test/deployment/) in a tight loop revealed 
> no anomalies any longer, on neither master nor libreoffice-3-5 (and on 
> master, I let it burn cycles all night long

Seeing as an all-night unopkg add/remove loop was the test criteria the
last time this sort of thing arose, pushed this now.

C. 

threads: "more trouble than they're worth" :-)