Add unit tests for RemoteAddrValve and RemoteHostValve.

Backport of r1642554 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643511 13f79535-47bb-0310-9956-ffa450edef68
Add optional use of connector port in allow
and deny expressions for RemoteAddrValve
and RemoteHostValve.

Allow RemoteAddreValve and RemoteHostValve to
trigger authentication instead of denying a
request with a status code.

Backports of r1642564, r1642595 and r1642606 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643513 13f79535-47bb-0310-9956-ffa450edef68
Correct a typo. Make section names and anchors unambiguous.

Backport of r1643055 form trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643521 13f79535-47bb-0310-9956-ffa450edef68