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Third bullet item fixed in #815.
Also (but probably not included in this ticket) we should not reset the password by default. Instead the email should contain a link to the piwik install that would then reset the password and show it to the user on the screen (or leave him change it see #526). Reset the password by default can be misused and annoy users.
In , fixes #749 - Login form changes
In , refs #749 - fix redirect after install