Update to Elasticsearch 1.1.0 (see #401)
Update to Hadoop 2.3.0 (see #402)
Simplify Hadoop jobs: don't zip and unzip subjects map file (#402)
Add Hadoop config files deployed on our cluster (see #402)

Config for our cluster, nodes have 8 cores and 8 GB RAM each.
Merge pull request #413 from lobid/issue-401-402-updates

Update to Elasticsearch 1.1.0 and Hadoop 2.3.0.