Define some test static * imports to come last.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595728 13f79535-47bb-0310-9956-ffa450edef68
Define some test static * imports to come last.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595729 13f79535-47bb-0310-9956-ffa450edef68
So this is the import order most people seem to like.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595730 13f79535-47bb-0310-9956-ffa450edef68
Make field final.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595731 13f79535-47bb-0310-9956-ffa450edef68
Make field final.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595733 13f79535-47bb-0310-9956-ffa450edef68
Make fields final.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595734 13f79535-47bb-0310-9956-ffa450edef68
Add private constructors to utility classes.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595735 13f79535-47bb-0310-9956-ffa450edef68
Use AtomicLong over volatile long due to problematic implementations of volatile long.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1595736 13f79535-47bb-0310-9956-ffa450edef68