Fix javadoc references.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1617636 13f79535-47bb-0310-9956-ffa450edef68
Use PropertiesUtil instead of Boolean.getBoolean().

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1617637 13f79535-47bb-0310-9956-ffa450edef68
Add javadoc for SetUtils.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1617638 13f79535-47bb-0310-9956-ffa450edef68
Use Loader class instead of Class.forName().

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1617639 13f79535-47bb-0310-9956-ffa450edef68
Fix bug where boolean value could never change.

  - Addresses potential problem where more than one resource in the war file matches the regexp "^/WEB-INF/log4j2.*$".

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1617640 13f79535-47bb-0310-9956-ffa450edef68