Fixed error in GenericKeyedObjectPool constructor causing
minEvictableIdleTimeMillis to be used in place of
timeBetweenEvictionRunsMillis in eviction timer setup when a 
GenericKeyedObjectPoolConfig instance is supplied
to the constructor.

JIRA: POOL-270
Reported by Michael Berman


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/pool/trunk@1621664 13f79535-47bb-0310-9956-ffa450edef68