crypto/tls: more Unix root certificate locations
crypto/tls: more Unix root certificate locations

Hard work done by
http://mercurial.selenic.com/wiki/CACertificates

R=golang-dev, gri
CC=golang-dev
http://codereview.appspot.com/5276043

apparentlymart/golang,pombredanne/go-deleteme,pombredanne/go-deleteme,dsriram/golang,apparentlymart/golang,dsriram/golang,apparentlymart/golang,tv42/old-go,gnanderson/go,gnanderson/go,apparentlymart/golang,gnanderson/go,tv42/old-go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,dsriram/golang,tv42/old-go,dsriram/golang,gnanderson/go,gnanderson/go,gnanderson/go,pombredanne/go-deleteme,dsriram/golang,pombredanne/go-deleteme,pombredanne/go-deleteme,dsriram/golang,apparentlymart/golang,tv42/old-go,apparentlymart/golang,tv42/old-go,gnanderson/go,dsriram/golang,tv42/old-go,apparentlymart/golang