Crystal17 build script updated to re-build serial binaries as well as parallel ones.
Crystal17 build script updated to re-build serial binaries as well as
parallel ones.

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