Fix various IDE warnings

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1645993 13f79535-47bb-0310-9956-ffa450edef68
Whitespace clean-up

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646098 13f79535-47bb-0310-9956-ffa450edef68
Switch to ConcurrentHashMap and remove syncs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646099 13f79535-47bb-0310-9956-ffa450edef68
No longer need a separate lookup() method

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646100 13f79535-47bb-0310-9956-ffa450edef68
Refactor the sync to simply synchronize the method

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646101 13f79535-47bb-0310-9956-ffa450edef68
Remove final so sub-classes can replace these.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646102 13f79535-47bb-0310-9956-ffa450edef68
First stab at an implementation - won't work because Map entries are not
Serializable.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646103 13f79535-47bb-0310-9956-ffa450edef68
Remove session object from SingleSignOnMaps

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646104 13f79535-47bb-0310-9956-ffa450edef68
Make Serializable

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646105 13f79535-47bb-0310-9956-ffa450edef68
Complete the logging TODOs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1646106 13f79535-47bb-0310-9956-ffa450edef68