Zoltan2: AlgPQJagged - for the floating point operation accuracy, reduced the number of f-ops, and changed the order of floating point operations to maintain larger floating points.
Update trilinos flat headers

Update the Trilins_flat_headers directory with the updated files from Trilinos

(From Sierra)
Zoltan2: AlgPQJagged: minor updates on floating point operations. TaskMapping: code revised.
Merge branch 'master' of software.sandia.gov:/space/git/Trilinos
Anasazi: include <functional> for std::greater and less.
Used in AnasaziBasicSort.hpp