SplunkLightExporter for exporting buckets as a lighter format

The light format exporter has whitelisting
and blacklisting
SplunkLightFormat export trip complete
SplunkLightExporter copies content when exporting
Implements light format importer
Initialized SplunkEnvironment lazily, for tests to pass
Removes invalid monitor conf
Can generate a test report with a clojure repl
Checks if the shuttl server is up every 60sec instead of 1 sec
Lowered a lot of info level log messages
hdfs.properties are sent straight into hadoop Configuration