[FS#397] odhcpd: link prefix and route life time to UCI dhcp option 'leasetime'

[LEDE Bugs]

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FS#397 - odhcpd: link prefix and route life time to UCI dhcp option 'leasetime'
User who did this: Hans Dedecker (dedeckeh)
Percent Complete: 0% -> 80%

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=397