removed libmpi_cxx dependency
removed libmpi_cxx dependency

EugeniaRadulescu/fcma-toolbox,EugeniaRadulescu/fcma-toolbox,jiminliang/fcma-toolbox,PrincetonUniversity/fcma-toolbox,IntelPNI/fcma-toolbox,EugeniaRadulescu/fcma-toolbox,PrincetonUniversity/fcma-toolbox,PrincetonUniversity/fcma-toolbox,IntelPNI/fcma-toolbox,IntelPNI/fcma-toolbox,jiminliang/fcma-toolbox,jiminliang/fcma-toolbox