clean up boost deps

git-svn-id: https://svn.salilab.org/imp/trunk@16631 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
hack around modeller config mess

git-svn-id: https://svn.salilab.org/imp/trunk@16632 e91f8c7b-0e32-4433-a9ac-4502d39a4eab