[CHANGED] The keyword for identifying build failure is separated into "build" and...

[CHANGED] The keyword for identifying build failure is separated into "build" and "requirements build".

 Changes to be committed:
	modified:   bin/portsreinstall
	modified:   lib/chroot-mount/liboptions.sh
	modified:   lib/chroot-mount/libusage.sh
	modified:   lib/chroot/libcommand.sh
	modified:   lib/chroot/libcommand_do.sh
	modified:   lib/chroot/liboptions.sh
	modified:   lib/chroot/libusage.sh
	modified:   lib/libcommand.sh
	modified:   lib/libcommand_do.sh
	modified:   lib/libmain.sh
	modified:   lib/libreinstall.sh
	modified:   lib/main/libcommand.sh
	modified:   lib/main/liboptions.sh
	modified:   lib/main/libusage.sh
	modified:   lib/upgrade/liboptions.sh
	modified:   lib/upgrade/libusage.sh
	modified:   man/portsreinstall.8