Bug 897420 - enables mozprocess with talos + configurable timeout, default 3600s, r=aki

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extra : amend_source : 606e04dc187dfb421cbfd0a95a3cd478bbe5eb30
bug 929093 - vcs-sync: previous repo status. r=hwine

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extra : rebase_source : f99d0bd07d52d37fa61358a88a020b0c636086f0
bug 929093 - vcs2vcs - adjust release emails. r=hwine
bug 916677 - unit tests for read_from_file(). r=sfink