The static fields in ConfigurationFactory should be accessed directly.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1514266 13f79535-47bb-0310-9956-ffa450edef68
The value of the local variable context is not used.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1514268 13f79535-47bb-0310-9956-ffa450edef68