Fixed CMake error on CentOS 6 systems (ignore local Boost version)
Fixed CMake error on CentOS 6 systems (ignore local Boost version)

nbruns1/metaSMT,nbruns1/metaSMT,nbruns1/metaSMT,finnhaedicke/metaSMT,hoangmle/metaSMT,finnhaedicke/metaSMT,hoangmle/metaSMT,agra-uni-bremen/metaSMT,finnhaedicke/metaSMT,agra-uni-bremen/metaSMT,agra-uni-bremen/metaSMT,hoangmle/metaSMT