* Merge libarchive and procps into util_linux
* Update libarchive to 3.1.2
* Update slackwareutils to 1.0.2
* Update build to latest standards

	deleted:    base/libarchive/libarchive-3.0.4-fixmtreewriter.patch.xz
	deleted:    base/libarchive/libarchive.build
	deleted:    base/procps/procps.build
	deleted:    base/util_linux/setserial-2.17-slackware.patch.xz
	modified:   base/util_linux/util_linux.build