Back-ported r1587723 to fix objections to the original r1587379 patch.
Removed inconsistent and confusing langauge from FIPSMode configuration.
Added changelog.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1587734 13f79535-47bb-0310-9956-ffa450edef68