upgraded Elasticsearch to version 1.7.3

Author: spujadas

Dockerfile

@@ -1,5 +1,5 @@
 # Dockerfile for ELK stack
-# Elasticsearch 1.7.2, Logstash 1.5.4, Kibana 4.1.2
+# Elasticsearch 1.7.3, Logstash 1.5.4, Kibana 4.1.2
 
 # Build with:
 # docker build -t <repo-user>/elk .
@@ -9,7 +9,7 @@
 
 FROM phusion/baseimage
 MAINTAINER Sebastien Pujadas http://pujadas.net
-ENV REFRESHED_AT 2015-09-22
+ENV REFRESHED_AT 2015-10-21-BTTF-DAY
 
 ###############################################################################
 #                                INSTALLATION

README-short.txt

@@ -1 +1 @@
-Collect, search and visualise log data with ELK (Elasticsearch 1.7.2, Logstash 1.5.4, Kibana 4.1.2).
+Collect, search and visualise log data with ELK (Elasticsearch 1.7.3, Logstash 1.5.4, Kibana 4.1.2).

README.md

@@ -2,7 +2,7 @@
 
 [![](https://badge.imagelayers.io/sebp/elk:latest.svg)](https://imagelayers.io/?images=sebp/elk:latest 'Get your own badge on imagelayers.io')
 
-This Docker image provides a convenient centralised log server and log management web interface, by packaging Elasticsearch (version 1.7.2), Logstash (version 1.5.4), and Kibana (version 4.1.2), collectively known as ELK.
+This Docker image provides a convenient centralised log server and log management web interface, by packaging Elasticsearch (version 1.7.3), Logstash (version 1.5.4), and Kibana (version 4.1.2), collectively known as ELK.
 
 ### Documentation