Set the time to be only the start of today rather than Jan1 2013

This test is causing the email and other https tests to fail because the system date is too far in the past to accept the https certificate.

The snippet of code is already tested in `test_calendar_new_event...` , it just missed the migration.

`master` -.> Merge
`v1-train` -> Merge
`v1.0.1` -> Merge