This adds the terminal step of the Spec11 pipeline- processing the output of
the Beam pipeline to send an e-mail to each registrar informing them of
identified 'bad urls.'
This also factors out methods common between invoicing (which uses similar beam pipeline tools) and spec11 to the common superpackage ReportingModule + ReportingUtils classes.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=210932496