Version 1.6.4

[Improvement] Display alert when scheduling a maintenance if the end date is before the start date.

[Improvement] Display alert when resolving an incident with the status not set to operational.

[Fix] Automatically update the stats widgets when an incident is resolved or when the stats widget settings are changed.

[Fix] Fixed an issue where some dashboard views caused the browser to glitch on page load.

[Fix] Resolved an issue that caused errors to not be received for Vonage SMS notifications.