Add 2.4.0

[gerardorochin]

https://www.elastic.co/blog/elasticsearch-2-4-0-released

[tianon]

Nice! 👍 LGTM

commit 7a502275158cac1affa4372eab937a21913cd3e0
Author: Gerardo Rochín <[email protected]>
Date:   Wed Aug 31 10:37:20 2016 -0600

    Add 2.4.0

diff --git a/.travis.yml b/.travis.yml
index 82c3ffa..e3aedcb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ services: docker

 env:
   - VERSION=5.0
+  - VERSION=2.4
   - VERSION=2.3
   - VERSION=2.2
   - VERSION=2.1
diff --git a/2.1/Dockerfile b/2.4/Dockerfile
similarity index 98%
copy from 2.1/Dockerfile
copy to 2.4/Dockerfile
index 1663f07..8fce334 100644
--- a/2.1/Dockerfile
+++ b/2.4/Dockerfile
@@ -16,7 +16,7 @@ RUN set -x \
 # https://packages.elasticsearch.org/GPG-KEY-elasticsearch
 RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys 46095ACC8548582C1A2699A9D27D666CD88E42B4

-ENV ELASTICSEARCH_VERSION 2.1.2
+ENV ELASTICSEARCH_VERSION 2.4.0
 ENV ELASTICSEARCH_REPO_BASE http://packages.elasticsearch.org/elasticsearch/2.x/debian

 RUN echo "deb $ELASTICSEARCH_REPO_BASE stable main" > /etc/apt/sources.list.d/elasticsearch.list
diff --git a/2.3/config/elasticsearch.yml b/2.4/config/elasticsearch.yml
similarity index 100%
copy from 2.3/config/elasticsearch.yml
copy to 2.4/config/elasticsearch.yml
diff --git a/5.0/config/logging.yml b/2.4/config/logging.yml
similarity index 100%
copy from 5.0/config/logging.yml
copy to 2.4/config/logging.yml
diff --git a/docker-entrypoint.sh b/2.4/docker-entrypoint.sh
similarity index 100%
copy from docker-entrypoint.sh
copy to 2.4/docker-entrypoint.sh
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index f80c898..494d6db 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -3,7 +3,7 @@ set -eu

 declare -A aliases=(
    [1.7]='1'
-   [2.3]='2 latest'
+   [2.4]='2 latest'
    [5.0]='5'
 )

(will merge as soon as Travis is finished)

[tianon]

2.4 is green 👍

https://travis-ci.org/docker-library/elasticsearch/jobs/156572412