added copyright/license notes; validated (XHTML 1.0 Strict)

svn path=/branches/RC_1_34_0/boost/libs/dynamic_bitset/; revision=34569
added copyright/license notes

svn path=/branches/RC_1_34_0/boost/libs/dynamic_bitset/; revision=34570
workarounded absurd Digital Mars behavior

svn path=/branches/RC_1_34_0/boost/boost/dynamic_bitset/; revision=34643
added extra parentheses to workaround Digital Mars

svn path=/branches/RC_1_34_0/boost/boost/detail/dynamic_bitset.hpp; revision=34644
prevented spurious Digital Mars warning

svn path=/branches/RC_1_34_0/boost/libs/dynamic_bitset/; revision=34645
Remove obsolete Boost.Build v1 files.

svn path=/branches/RC_1_34_0/boost/libs/dynamic_bitset/; revision=35880