Added boost 1.64.0 buildscript (some minor alterations from 1.54)
Added boost 1.64.0 buildscript (some minor alterations from 1.54)

UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts