UIF exception for Gwibber and indicator-messages

[Ken VanDine]

Hello translators,

For terminology consistency between gwibber, indicator-messages and
indicator-me we had to make a string change today.  Sorry for the late
notice, the links to the sources are below.

In indicator-messages we changed the short cut category displayed in the
messaging menu from "Microblogging" to "Broadcast".  In gwibber we
removed the desktop file for gwibber-accounts and change the name from
"Gwibber Social Preferences" to "Broadcast Preferences" for the
gwibber-preferences desktop file.  

We also had to make another gwibber string change in the accounts
dialog, it was simply wrong before, sorry about that.  Qakiu and
friendfeed services don't use a password, they use an API key of sorts.
So both of the glade files for those have been updated to reflect that
with some guide text on where users can get the API keys.

https://translations.launchpad.net/ubuntu/lucid/+source/gwibber
https://translations.launchpad.net/ubuntu/lucid/+source/indicator-messages

On an related note, I there is an issue with the account dialog's "Add
new <service> account" combobox in regard to being translated.  Bug:
https://bugs.launchpad.net/gwibber/+bug/534667

Changing that would also break string freeze, but if the translation
team thinks it is worth it, I'll fix that too.  Please let me know.

Thanks in advance!
--Ken