import 10.0 ebuild from bsd-overlay.
freebsd-10.0.ebuild: Changed to use the original source.
pidof-bsd-20050501-r4.ebuild: import from official tree.
pidof-bsd-20050501-r4: fix bug 483044. (10.0fix)
freebsd-{pam-modules,share}-10.0.ebuild: Fixed an issue that fail to compile.
added libiconv-0-r2.ebuild. (10.0 fix)
added python:3.2/bug490034.patch. (10.0 fix)
added portage/bug493126.patch. (10.0 fix)
added git/bug493306.patch. (10.0 fix)
added cmake/bug488214.patch. (10.0 fix)
added 10.0 profile.