Update to elasticsearch 1.4.0
Update to elasticsearch 1.4.0

Closes #88.

(cherry picked from commit 3e0efc5)

kneubi/fscrawler,dharmendrak/fsriver,dadoonet/fsriver,dadoonet/fsriver,dadoonet/fscrawler,dadoonet/fscrawler,dadoonet/fsriver,kneubi/fscrawler,kneubi/fscrawler,dadoonet/fscrawler,dharmendrak/fsriver