Bug 19014: [19.11.x] Prevent auto_renew notices form sending if too early to renew

Bug 19014: [19.11.x] Prevent auto_renew notices form sending if too early to renew

Bug 19014: Unit tests

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Bug 19014: Return auto_too_soon before on_reserve

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Bug 19014: on_reserve blocks auto_renew

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>