Qualify function to help out MSVC with latest boost.


git-svn-id: https://svn.salilab.org/imp/trunk@17453 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
Qualify std::tie to help out MSVC, which gets confused between boost::tie
and std::tr1::tie otherwise.


git-svn-id: https://svn.salilab.org/imp/trunk@17454 e91f8c7b-0e32-4433-a9ac-4502d39a4eab
Fix typo

git-svn-id: https://svn.salilab.org/imp/trunk@17455 e91f8c7b-0e32-4433-a9ac-4502d39a4eab