TASK: Update documentation to configure ES 2.0-2.4

Author: dfeyer

Documentation/ElasticConfiguration-1.2.md

@@ -0,0 +1,21 @@
+# Needed Configuration in configuration.yml for Elasticsearch 2.0.x and 2.4.x
+
+```
+# The following settings are absolutely required for the CR adaptor to work
+script.engine.groovy.inline.update: true
+
+# the following settings are well-suited for smaller Elasticsearch instances (i.e. as long as you can stay on one host)
+index.number_of_shards: 1
+index.number_of_replicas: 0
+```
+
+# Java Security Manager Policy file `.java.policy`
+
+We need to allow access to some classes in the groovy script, so we need to modify (or create) the `~/.java.policy` for 
+the user that is running Elasticsearch (`elasticsearch` by default). See [the Elasticsearch Reference](https://www.elastic.co/guide/en/elasticsearch/reference/2.3/modules-scripting-security.html#_customising_the_classloader_whitelist) for more info.
+
+```
+grant {
+    permission org.elasticsearch.script.ClassPermission "java.util.*";
+};
+```

Documentation/ElasticConfiguration-1.3.md

@@ -2,17 +2,15 @@
 
 # Neos Elasticsearch Adapter
 
-*supporting Elasticsearch versions 1.2.x to 1.7.x*
+*supporting Elasticsearch versions 2.0.x to 2.4.x*, to support older version of ElasticSearch check the branch 2.0.
 
 Created by Sebastian Kurfürst; [contributions by Karsten Dambekalns, Robert Lemke and others](https://github.com/Flowpack/Flowpack.ElasticSearch.ContentRepositoryAdaptor/graphs/contributors).
 
-This project connects the Neos Content Repository (TYPO3CR) to Elasticsearch; enabling two
-main functionalities:
+This project connects the Neos Content Repository (TYPO3CR) to Elasticsearch; enabling two main functionalities:
 
 * finding Nodes in TypoScript / Eel by arbitrary queries
 * Full-Text Indexing of Pages and other Documents (of course including the full content)
 
-
 ## Relevant Packages
 
 * [TYPO3.TYPO3CR.Search](https://www.neos.io/download-and-extend/packages/typo3/typo3-typo3cr-search.html): provides common functionality for searching TYPO3CR nodes,
@@ -27,11 +25,10 @@ main functionalities:
 ## Installation
 
 ```
-// for development (Master; Tested on Neos 2.0)
-composer require 'typo3/typo3cr-search:@dev'
-composer require 'flowpack/elasticsearch-contentrepositoryadaptor:@dev'
+composer require 'typo3/typo3cr-search'
+composer require 'flowpack/elasticsearch-contentrepositoryadaptor'
 
-composer require 'flowpack/searchplugin:@dev'
+composer require 'flowpack/searchplugin'
 ```
 
 Now, add the routes as described in the [README of Flowpack.SearchPlugin](https://github.com/skurfuerst/Flowpack.SearchPlugin)
@@ -46,10 +43,8 @@ Finally, run `./flow nodeindex:build`, and add the search plugin to your page. I
 There is a need, depending on your version of Elasticsearch, to add specific configuration to your
 Elasticsearch Configuration File `<your-elasticsearch>/config/elasticsearch.yml`.
 
-- [ElasticSearch 1.6 to 1.7](Documentation/ElasticConfiguration-1.6-1.7.md)
-- [ElasticSearch 1.4 to 1.5](Documentation/ElasticConfiguration-1.4-1.5.md)
-- [ElasticSearch 1.3](Documentation/ElasticConfiguration-1.3.md)
-- [ElasticSearch 1.2](Documentation/ElasticConfiguration-1.2.md)
+- [ElasticSearch 2.0 to 2.4](Documentation/ElasticConfiguration-2.0-2.4.md)
+- To support older version of ElasticSearch check the branch 2.0
 
 ## Building up the Index