[sugar] Pippy camera patch

[Gabriel Burt]

Hello all, Chris,

This is a followup to the e-mail/code I sent in November:
http://lists.laptop.org/pipermail/sugar/2007-November/003832.html

The attached patch adds a library/pippy/camera.py module that is used
by two new scripts, data/graphics/showVideo and showDelayedVideo,
which show live video and 3-second-delayed video respectively.  Using
the camera.py module, it shouldn't be too hard to add a timeLapse
script that actually stores photos in the Journal, especially neat
when combined with the slideShow script.

What do you think of always inserting "import pippy" into the copied
version of all scripts (thereby removing yet more not-helpful LOC)?

Regards,

Gabriel
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