IDLE cleanup and dropped connection improvement

[Nicolas Sebrecht]

On Mon, Sep 12, 2011 at 10:37:10AM +0200, Sebastian Spaeth wrote:
> I was looking at the IDLE IMAP code for the first time, to make sure we
> really discard dropped connections using the new drop_conn parameter in
> releaseconnection(). But it was a bit of a mess, no code documentation,
> and poorly named variables for a start. Here is a series of 5 patches (I
> attempted to keep them as small and isolated as I could), to clean up
> the code. Patch #5  makes sure that dead connections are really dropped.
> 
> I would appreciate if someone who regularly uses IDLE could test the
> series to make sure that IDLE still works well.

Looks good to me. Merged; thanks!

-- 
Nicolas Sebrecht