Bug 883339: Enable "mach gtest" on Windows, but leave GTest disabled for "make check", r=glandium

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extra : rebase_source : e62eac1e5e70293d3c9df5406c996097abccbd3a
Bug 1029364: Centralize version parsing in BackCert::Init, r=cviecco

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extra : rebase_source : 79d5f29c2af1ec77d6bb8a7936bb0a17f28e8d52
Bug 1029341: Factor out decoding of certificate/OCSP extensions, r=keeler

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extra : rebase_source : e307bea95d29cf78c9eaa7ddb1f2b2c195a59dc9