Bug 1034636: Remove mozilla::pkix::ScopedCERTCertifciate and mozilla::pkix::ScopedPLArenaPool, r=mmc

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extra : rebase_source : 68e6da2f1e1c7fa678ef4cc81d23cc6298709108
extra : histedit_source : feba4c589dbf004ee50e2dea1fca0809f8f97674
Bug 1035008, Part 1: Document naming convention for mozilla::pkix GTests, r=mmc

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extra : rebase_source : 8239f56513d8aba59eb8851bd219295fb6920b64
extra : histedit_source : 90856c24e66c7cc451c65cfd72a005cb2949085a
Bug 1035008, Part 2: Modify existing mozilla::pkix GTests to follow naming conventions, r=mmc

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rename : security/pkix/test/gtest/pkix_cert_chain_length_tests.cpp => security/pkix/test/gtest/pkixbuild_tests.cpp
rename : security/pkix/test/gtest/pkix_cert_extension_tests.cpp => security/pkix/test/gtest/pkixcert_extension_tests.cpp
rename : security/pkix/test/gtest/pkix_ocsp_request_tests.cpp => security/pkix/test/gtest/pkixocsp_CreateEncodedOCSPRequest_tests.cpp
extra : rebase_source : 05035197c37cd2fecf0c6e2f5231eeabfd4f64fd
extra : histedit_source : db050cf69b025e34e992a68b8b57665608c6a3d9