Added a test for ensuring the logging configuration reloads on a change.
Updated the Logging Service to use a file instead of a stream so the Log4J 2.x auto-reload will function properly.
Updated the log4j2-test.xml configuration files that were actually producing log files to set the immediateFlush attribute to "true".
Added Scala Test support to the Core-Lib POM.
Added a Scala Test to test the new Logging Service Implementation.
Updated the Logging Service tests to include loading a JSON configuration.
Updated the Logging Service to accept a filename and test for full URL or if it should be relatively pathed.
Moved most of the functionality out of the Context and into the Impl in preparation for the latest Springification.
Finished fleshing out the tests and the implementation.
Updated the example and installation files to remove the ${repose.home} expansion variable.
Merge pull request #1180 from rackerlabs/REP-1393

REP-1393 Adding Log4J 2.x test coverage and fixing all the things.