[Boost-docs] Extra website links to 'getting started'

From: Daniel James (daniel_james_at_[hidden])
Date: 2008-04-09 13:04:40

A few people have said that they can't find the getting started
documentation on the site - so it might be worth adding a direct link
to the documentation page, and sidebar. If no one objects, I'll add
the attached patch in a few days.

Daniel