DO NOT MERGE; Bug 8205510; added scripts related to pushing logstash JSON logs up to HDFS
reverted the change to using the UNIX home directory of the
HADOOP_USER when putting into the Hadoop DFS.
Merge pull request #4 from mozilla-services/vng/bug-8205510-logstash-scripts

DO NOT MERGE; Bug 8205510; added scripts to push JSON to HDFS for metlog
bug 827529; added full hostname as a prefix when copying metlog JSON logs to hadoop