add ingestion alerts
address review points
new vendor lib
Merge branch '977493' of https://github.com/globau/datazilla into 977493
aggregated the email body by test
changed cron run frequency to once every 6 hours
changed frequency to every 3 hours
updated vendor lib to include six
removed scrolling test
added multiple recipients
added SMTP_HOST env variable
modifed cron frequency and list of recipients
new data cycling procedure for production
fixed stuff
Merge pull request #113 from mozilla/data-cycling-pt2

Data cycling pt2
moved limit to nested query to avoid missing many-to-one delete targets that exceed limit
fixed a bug and set a id limit for the objectstore delete
set recipient to fxos-perf-alerts
commented out perftest table deletes and disable/enable foreing keys
added back one perftest table