[CMake] FindBoost.cmake from 2.6

[Fernando Cacciola]

Doug Gregor wrote:
> On Thu, Jul 3, 2008 at 12:23 PM, Doug Gregor
> <doug.gregor at gmail.com> wrote:
>> Anyway, I'm working on a bunch of issues with FindBoost, and will ping
>> the list when I think I have it right.
>
> There's a much-improved FindBoost module now in CMake CVS. Hopefully
> it will get merge in to the next RC for 2.6.1.
>
Cool!

I mean to ship *this* version FindBoost with the next CGAL release (out 
build system already uses a bunch of custom cmake modules so this is 
transparenbt for the user).

Is that OK? I can't require CGAL users to upgrade to cmake 2.6 but I can 
give them the latest FindBoost.

Fernando