upgraded Logstash to version 1.5.2 and Kibana to version 4.1.1

Dockerfile

@@ -1,5 +1,5 @@
 # Dockerfile for ELK stack
-# Elasticsearch 1.6.0, Logstash 1.5.1, Kibana 4.1.0
+# Elasticsearch 1.6.0, Logstash 1.5.2, Kibana 4.1.1
 
 # Build with:
 # docker build . -t <repo-user>/elk
@@ -33,7 +33,7 @@ RUN apt-get update -qq \
 ### install Logstash
 
 ENV LOGSTASH_HOME /opt/logstash
-ENV LOGSTASH_PACKAGE logstash-1.5.1.tar.gz
+ENV LOGSTASH_PACKAGE logstash-1.5.2.tar.gz
 
 RUN mkdir ${LOGSTASH_HOME} \
  && curl -O https://download.elasticsearch.org/logstash/logstash/${LOGSTASH_PACKAGE} \
@@ -53,7 +53,7 @@ RUN sed -i -e 's#^LS_HOME=$#LS_HOME='$LOGSTASH_HOME'#' /etc/init.d/logstash /etc
 ### install Kibana
 
 ENV KIBANA_HOME /opt/kibana
-ENV KIBANA_PACKAGE kibana-4.1.0-linux-x64.tar.gz
+ENV KIBANA_PACKAGE kibana-4.1.1-linux-x64.tar.gz
 
 RUN mkdir ${KIBANA_HOME} \
  && curl -O https://download.elasticsearch.org/kibana/kibana/${KIBANA_PACKAGE} \

README-short.txt

@@ -1 +1 @@
-Collect, search and visualise log data with ELK (Elasticsearch 1.6.0, Logstash 1.5.1, Kibana 4.1.0).
+Collect, search and visualise log data with ELK (Elasticsearch 1.6.0, Logstash 1.5.2, Kibana 4.1.1).

README.md

@@ -1,6 +1,6 @@
 # Elasticsearch, Logstash, Kibana (ELK) Docker image
 
-This Docker image provides a convenient centralised log server and log management web interface, by packaging [Elasticsearch](http://www.elasticsearch.org/) (version 1.6.0), [Logstash](http://logstash.net/) (version 1.5.1), and [Kibana](http://www.elasticsearch.org/overview/kibana/) (version 4.1.0), collectively known as ELK.
+This Docker image provides a convenient centralised log server and log management web interface, by packaging [Elasticsearch](http://www.elasticsearch.org/) (version 1.6.0), [Logstash](http://logstash.net/) (version 1.5.2), and [Kibana](http://www.elasticsearch.org/overview/kibana/) (version 4.1.1), collectively known as ELK.
 
 ### Contents ###
 
@@ -27,7 +27,7 @@ To pull this image from the Docker registry, open a shell prompt and enter:
 
 **Note** – This image has been built automatically from the source files in the source Git repository. If you want to build the image yourself, see the [Building the image](#building-image) section below.
 
-**Note** – The size of the virtual image (as reported by `docker images`) is 1,059 MB.
+**Note** – The size of the virtual image (as reported by `docker images`) is 1,076 MB.
 
 ## Usage <a name="usage"></a>