Qtopia4 improvements (resubmit)

Hi,

I have attached a patch sent earlier by Hans-Christian Egtvedt
(http://buildroot.uclibc.org/lists/buildroot/2007-August/004197.html)
using unified diff (easier to apply) and with a little improvement of my own.

Basically, this adds GIF and MMG support, fix comments a little
bit, small cleanups, and avoid building Qtopia examples (that's my little improvement over the original). Thus, it builds a lot faster.

Cheers,
Thiago A. Correa
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Btw, we should also consider updating to Qtopia 4.2.3 or 4.3.1.

The 4.2.3 fixes memory leaks and data corruption bugs.

Thanks. I've been on vacation so was not responsive for some time. Please ping pending patches that were not yet applied.

Thanks again,