Remove obsolete Boost.Build v1 files.

svn path=/branches/RC_1_34_0/boost/libs/disjoint_sets/; revision=35880
Merged copyright and license addition

svn path=/branches/RC_1_34_0/boost/libs/disjoint_sets/; revision=35907
Merged L & C issue fixes & HTML conversions from trunk to branch.

svn path=/branches/RC_1_34_0/boost/libs/disjoint_sets/; revision=36228