Adding a README to the project so it can be blogged and used in the wild

Author: stack72

README.md

@@ -0,0 +1,35 @@
+hubot-elasticsearch
+==
+
+A Hubot script for interacting with an [elasticsearch](http://www.elasticsearch.org/x) cluster
+
+Installation
+---
+
+In hubot project repo, run:
+
+npm install hubot-elasticsearch --save
+
+Then add hubot-etcd to your external-scripts.json:
+
+```
+[
+  "hubot-elasticsearch"
+]
+```
+
+Commands
+---
+
+* hubot: elasticsearch cluster health [cluster] - Gets the cluster health for the given server or alias
+* hubot: elasticsearch cat nodes [cluster] - Gets the information from the cat nodes endpoint for the given server or alias
+* hubot: elasticsearch cat indexes [cluster] - Gets the information from the cat indexes endpoint for the given server or alias
+* hubot: elasticsearch cat allocation [cluster]  - Gets the information from the cat allocation endpoint for the given server or alias
+* hubot: elasticsearch clear cache [cluster] - Clears the cache for the specified cluster
+* hubot: elasticsearch cluster settings [cluster] - Gets a list of all of the settings stored for the cluster
+* hubot: elasticsearch index settings [cluster] [index] - Gets a list of all of the settings stored for a particular index
+* hubot: elasticsearch disable allocation [cluster] - disables shard allocation to allow nodes to be taken offline
+* hubot: elasticsearch enable allocation [cluster] - renables shard allocation
+* hubot: elasticsearch show aliases - shows the aliases for the list of ElasticSearch instances
+* hubot: elasticsearch add alias [alias name] [url] - sets the alias for a given url
+* hubot: elasticsearch clear alias [alias name] - please note that this needs to include any port numbers as appropriate