Bug 1055596 - Add crash reporting settings to web-platform-tests.

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extra : rebase_source : 195df8cc2eb03b946fc54a55d33e373988e1f750
Bug 1049930, bump dolphin on b2g-inbound, r=catlee
Bug 1053197 - Failures during install_module() are shown as ERRORs in the log even though the run succeeded - part 2 of 2 - extra cleanup,r=jlund
merge default -> production

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branch : production