upgraded to es 1.4.0.beta1
fixed case sensitivity issue in es dependency (capitalised the "B" in
Beta)
changed java version in travis file to openjdk7
passing Empty IndexSettings instead of null (avoids NPE)
changed method signatures to include client, as passing a null client to
ActionRequestBuilder isn't possible anymore.
bounce major version for es upgrade to better suit our internal process
Merge pull request #4 from molindo/es-1.4.0.beta1

upgraded to es 1.4.0.beta1