Bug 822944: Add production marketplace cert, r=bsmith, a=tef+, modifed by bsmith before checkin

--HG--
rename : security/build/b2g-app-root-cert.der => security/build/test-b2g-app-root-cert.der
rename : security/manager/ssl/tests/unit/test_signed_apps/privileged-app-test-1.0.zip => security/manager/ssl/tests/unit/test_signed_apps/test-privileged-app-test-1.0.zip
extra : source : d23c1cb4e6ab66195de2bea8e818e8f88f120fc5
extra : amend_source : 4a993b5e4de75974694716275a2accf668c65ad6