Add ebuild for icedtea which can build on hardened system with XATTRS_PAX
See gentoo bug #477456
(Portage version: 2.2.7/hg/Linux x86_64, unsigned Manifest commit)
app-portage/eix
app-portage/gentoolkit
app-portage/layman
sys-apps/iproute2
sys-apps/mlocate
sys-power/acpi
sys-power/acpid