Intltool as an external dep

[Vincent Untz <vuntz gnome org>]

Hi all,

Just a quick note: during this cycle, we agreed to move intltool out of
the platform to the external dependencies list since it's a build tool
that is in no way specific to GNOME. Since it was also listed in the
mobile set, I expect this change to affect the mobile set too. Shout if
you disagree :-)

Cheers,

Vincent

-- 
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