Version 3.0.0+toward_3.1.0_20130606070810

Version 3.0.0+toward_3.1.0_20130606070810
[IMPROVED] Changes are made so that installation by packages is split into fetch and installation stages and backup/restoration of old packages are skipped if the fetch is unsuccessful.
[IMPROVED] Changes are made so that uninspected ports are skipped in reconf command.
[BUG FIX] Meaningless warnings are suppressed.
[BUG FIX] Leaf ports replaced by REPLACE_* were recognized to be new leaf ports to delete even if they are targets of -O, -T or -t or in the needed list.

	modified:   bin/portsreinstall
	modified:   lib/libcommand.sh
	modified:   lib/libdatabase_build.sh
	modified:   lib/libdeinstall.sh
	modified:   lib/libpkgsys.sh
	modified:   lib/libreinstall.sh
	modified:   man/portsreinstall.8