http/cgi: skip test if perl or CGI.pm not available
http/cgi: skip test if perl or CGI.pm not available

R=bradfitzgo, bradfitzwork
CC=golang-dev
http://codereview.appspot.com/4264047

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