This patch set adds the pool timeout to the LDAP configuration sample.
Also, puts the LDAP pool timeout to a sensible 15 seconds rather than
-1 which can cause keystone to hang due to potential LDAP instability
or unavailability.
Change-Id: I15d6b6d93811bb560e4db26490b05024617ec665
Signed-off-by: Tin Lam <tin@irrational.io>