[horde] Horde WX Block WorldWeatherOnline Changes

[Andy Dorman]

This is mostly a "heads up" for now.  I will report more later as soon 
as I figure out what changes will get Wwo working.

What we are using

- Horde 5.04 (latest debian package)
- Imp, Ingo, Turba, Kronolith all work great (LDAP auth, PgSQL) We 
haven't tested Mnemo and Nag yet.

- I signed up yesterday at WorldWeatherOnline and got both Free and 
Premium Access API keys

- In the Horde config I selected the World Weather Online provider, 
entered the Free API key for $conf[weather][params][key] and accepted 
the default cache lifetime, 21600 seconds (6 hrs)

Now when I log into Horde and edit my weather block with my location 
(Huntsville, AL), refresh rate (every hour), units (English), and 
Forecast Days (3), I get "Error, unable to decode response." on the web 
page.  There is nothing in the horde logs (I have debug_level set to 
E_ALL | E_STRICT)

I have access to the running source code and expanded the error report 
to include the $url string that was being sent to wwo.

I found a couple of problems caused by some changes Wwo is making as 
described here:

https://www.facebook.com/notes/world-weather-online/introducing-faster-more-efficient-and-even-more-reliable-services/451128854963809

I am currently experimenting with changes to 
Horde/Service/Weather/Wwo.php to get this working.

-- 
Andy Dorman
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