Changes for 1.3.3

- error stream produced
- load balancing for central ES cluster (currently hardcoded rotate of hostnames)
- hltd log collection to elasticsearch
- herod command passthrough through BU
- included elasticsearch plugins package (bigdesk plugin)
- removed internal simplejson dependency, instead depends on:
/nfshome0/smorovic/gcc481/rpm/python-simplejson-3.3.3-1.el6.x86_64.rpm