Add plugin release semi-automatic script

Closes #15.

Author: dadoonet

README.md

@@ -5,16 +5,13 @@ The JavaScript language plugin allows to have `javascript` as the language of sc
 
 In order to install the plugin, simply run: `bin/plugin -install elasticsearch/elasticsearch-lang-javascript/2.0.0.RC1`.
 
+* For 1.0.x elasticsearch versions, look at [master branch](https://github.com/elasticsearch/elasticsearch-lang-javascript/tree/master).
+* For 0.90.x elasticsearch versions, look at [1.x branch](https://github.com/elasticsearch/elasticsearch-lang-javascript/tree/1.x).
+
 |   JavaScript Lang Plugin    |    elasticsearch    |  rhino   | Release date |
 |-----------------------------|---------------------|----------|:------------:|
-| 2.0.0-SNAPSHOT (master)     | 1.0.0.RC1 -> master |  1.7R4   |              |
+| 2.0.0-SNAPSHOT              | 1.0.0.RC1 -> master |  1.7R4   |  XXXX-XX-XX  |
 | 2.0.0.RC1                   | 1.0.0.RC1 -> master |  1.7R4   |  2014-01-15  |
-| 1.5.0-SNAPSHOT (1.x)        | 0.90                |  1.7R4   |              |
-| 1.4.0                       | 0.90                |  1.7R4   |  2013-06-05  |
-| 1.3.0                       | 0.90                |  1.7R4   |  2013-02-26  |
-| 1.2.0                       | 0.19 -> 0.20        |  1.7R4   |  2012-06-23  |
-| 1.1.0                       | 0.19                |  1.7R3   |  2012-02-07  |
-| 1.0.0                       | 0.18                |  1.7R3   |  2011-12-05  |
 
 License
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