added elasticsearch spring-data dependency
added elasticsearch spring-data dependency

oeg-upm/epnoi,oeg-upm/epnoi,fitash/epnoi,fitash/epnoi,epnoi/epnoi,epnoi/epnoi,oeg-upm/epnoi,oeg-upm/epnoi,epnoi/epnoi,epnoi/epnoi,fitash/epnoi,fitash/epnoi