[boost] Effective C++, 3rd Ed, Item 55: Familiarize yourself with Boost

Boosters looking for more ammunition when try to convince their organizations that it is OK to use Boost might want to refer to the 3rd edition of Scott Meyers' Effective C++. Because Scott is well-known and isn't in any way affiliated with Boost, his recommendation may carry a lot of weight. Item 55, "Familiarize yourself with Boost" devotes four pages to Boost, including our culture and a mention of various Boost libraries and library categories. I think we ought to add a prominent mention of this to the Boost home page. --Beman