update to ES version 1.3.0
Issue #2336725 by chr.fritsch, Brian Altenhofel: Use MLT Query instead of MLT API. - Github: resolves #43
Merge pull request #44 from VeggieMeat/convert-mlt-to-query

Convert More Like This searches from API endpoint to query
Issue #2337289 by IT-Cru: Map lat/long index fields as geo_point - Github: fixes #45
initial test of facet searches
initial test of facet searches
debug
debug
debug
debug
enable facetapi on travis
debug
debug
debug