[Clipart] Use 7Zip for the Open Cliparts distribution

[Daniel Carrera]

Nicu Buculei wrote:

>> NSIS already uses LZMA compression. Yet another reason why NSIS beats 
>> MSI :-)
> 
> We have a NSIS package wich is 53MB, about the same size as bzip2, the 
> original poster claimed a 7-zip package will be about 35MB, so either 
> our NSIS installer does not use 7-zip or the 35MB claim is not real.

HHmmm....  That's interesting.

Daniel.