Splitting boost

[Bernardo Innocenti]

Build Announcer v2 wrote:

> -libicu 3.6-18.fc7
> +libicu 3.6-20.fc7

This library set is a whopping 13MB in size.  It is only
used by boost, which is only used by gnash.

To break this nasty dependency chain, observe that only
libboost_regex.so links libicudata.so, which gnash does not
need.

So I think we should split boost in two or more subpackages.

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 |___|   Bernardo Innocenti - http://www.codewiz.org/
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