Update status logger usage.

  - Use parameterized messages.
  - Add LOGGER.catching() to ignored exceptions.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584460 13f79535-47bb-0310-9956-ffa450edef68
Weaken collection interface.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584461 13f79535-47bb-0310-9956-ffa450edef68
Add note to fix double-checked locking.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584462 13f79535-47bb-0310-9956-ffa450edef68
Update status logging.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584463 13f79535-47bb-0310-9956-ffa450edef68
Separate regex pattern into static field.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584464 13f79535-47bb-0310-9956-ffa450edef68
Update status logging.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584465 13f79535-47bb-0310-9956-ffa450edef68
Replace single char strings with chars.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584466 13f79535-47bb-0310-9956-ffa450edef68
Replace single char strings with chars.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584467 13f79535-47bb-0310-9956-ffa450edef68
Replace single char strings with chars.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584469 13f79535-47bb-0310-9956-ffa450edef68
Replace single char strings with chars.

  - Automated via IDE.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584470 13f79535-47bb-0310-9956-ffa450edef68
Revert fixme comment.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1584477 13f79535-47bb-0310-9956-ffa450edef68