CA-103762: Re-checkout license at expiry

Currently, v6d doesn't have a mechanism for updating xapi with new license
parameters when a license expires. To work around this, xapi will reapply the
current edition when it thinks that the license has expired, in order to
retrieve the latest license parameters.

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
CA-103762: Reduce expiry recheck timeout to 10 minutes

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
Merge pull request #1257 from mcclurmc/ca103762-master

CA-103762: Re-checkout license at expiry