more bugfixes wrt foxs/crysol


git-svn-id: https://svn.salilab.org/imp/trunk@16711 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
Fix URL.


git-svn-id: https://svn.salilab.org/imp/trunk@16712 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
Fix to work with older Pythons.


git-svn-id: https://svn.salilab.org/imp/trunk@16713 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
Don't try to add Boost header/library path until we've actually checked for it.


git-svn-id: https://svn.salilab.org/imp/trunk@16714 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
use tag class to avoid implicit casts of char* to bool

git-svn-id: https://svn.salilab.org/imp/trunk@16715 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
suppress warnings

git-svn-id: https://svn.salilab.org/imp/trunk@16716 e91f8c7b-0e32-4433-a9ac-4502d39a4eab