Change default token lifespan from 24 hours to one hour.

From Icehouse,Default token duration is reduced from 24 hours to one hour.

Change-Id: I46d1c85690d1953bde4a538e94a7f2dc2e4d2b7e
Closes-Bug: #1343548
Merge "Change default token lifespan from 24 hours to one hour."