Redturtle.prenotazioni

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- PrenotazioniFolder.max_bookings_allowed constraint (if compiled, the fiscalcode must be required).
[folix-01]

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- Return empty data from the day endpoint if requested date is out of PrenotazioniFolder range
[folix-01]

- Fix double gate bug.
[folix-01]

- first_available flag for the available-slots endpoint.
[folix-01]

- Fix double gate when it is repeated in more than one week table overrides.
[folix-01]

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- Fix SMS links. Removed the dot immediately after the url
[folix-01]

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- Fix rolemap
[lucabel]

- Add manager notification on booking canceled
[folix-01]

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- Add the years range configuration to week table overrides.
[folix-01]

- Bypass the today delete limit for the 'out-of-office' types
[folix-01]

- Change the booking notification flag label.
[folix-01]

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- `canceled` state for booking. if an user cancel a booking, the booking is not deleted but is set to cancel state
[mamico]