Create a branch for documentation work.

svn path=/branches/doc/boost/bimap/; revision=44584
Fix link to the hash documentation from bimap. Refs #1690

svn path=/branches/doc/libs/bimap/; revision=44593
Update 'more' links.

svn path=/branches/doc/libs/bimap/; revision=44996
Use root links in quickbook.

svn path=/branches/doc/libs/bimap/; revision=45364