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Changes between Version 1 and Version 2 of Ticket #1664, comment 46

v1	v2
8	8	Basically, a new table consisting of `(user, project, locale, date)` so we can find which projects a user has contributed to, and when. The when is important, the first time they'll get a `Started Translating x` activity item, and every month after that they get a `Contributed more translations for x` item.
9	9
10		The other option for Activity would be a "Strings Contributed to x" ~~notification~~ in every hour that they contribute instead. That way it's not every-string message, but rather every-hour-per-project.
	10	The other option for Activity would be a "Strings Contributed to x" activity item in every hour that they contribute instead. That way it's not every-string message, but rather every-hour-per-project.