[horde] IMP error reporting

[CJ Kucera]

I said:
> Earlier today I was having some difficulties getting Horde/IMP CVS working,
> and I was running into a rather vague error message "IMP is not correctly
> configured or there was an error loading configuration files," thrown at
> line 50 in imp/lib/base.php (after a call to $registry->pushApp('imp')).
> 
> It would probably be nice if this threw the actual error given by
> pushApp() rather than the generic message...  Doing this myself allowed
> me to figure out what was wrong with my installation, as the Horde logfile
> wasn't helpful at all either (even after setting the log level to DEBUG).

Actually, I just realized that this probably should have gone over to
imp at lists.horde.org instead of the main Horde list.  Apologies!  I'll move
over there for the discussion instead.

-CJ

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