Add plugin release semi-automatic script

Closes #20

Author: dadoonet

README.md

@@ -5,20 +5,13 @@ The Phonetic Analysis plugin integrates phonetic token filter analysis with elas
 
 In order to install the plugin, simply run: `bin/plugin -install elasticsearch/elasticsearch-analysis-phonetic/2.0.0.RC1`.
 
+* For 1.0.x elasticsearch versions, look at [master branch](https://github.com/elasticsearch/elasticsearch-analysis-phonetic/tree/master).
+* For 0.90.x elasticsearch versions, look at [1.x branch](https://github.com/elasticsearch/elasticsearch-analysis-phonetic/tree/1.x).
+
 |    Phonetic Analysis Plugin   |    elasticsearch    | Release date |
 |-------------------------------|---------------------|:------------:|
-| 2.0.0-SNAPSHOT (master)       | 1.0.0.RC1 -> master |              |
+| 2.0.0-SNAPSHOT                | 1.0.0.RC1 -> master |  XXXX-XX-XX  |
 | 2.0.0.RC1                     | 1.0.0.RC1 -> master |  2014-01-15  |
-| 1.9.0-SNAPSHOT (1.x)          | 0.90.8 -> 0.90      |              |
-| 1.8.0                         | 0.90.8 -> 0.90      |  2013-12-19  |
-| 1.7.0                         | 0.90.6 -> 0.90.7    |  2013-11-06  |
-| 1.6.0                         | 0.90.3 -> 0.90.5    |  2013-08-08  |
-| 1.5.0                         | 0.90.1 -> 0.90.2    |  2013-05-30  |
-| 1.4.0                         | 0.90.0              |  2013-04-29  |
-| 1.3.0                         | 0.90.0              |  2013-02-26  |
-| 1.2.0                         | 0.19.2 -> 0.20      |  2012-05-09  |
-| 1.1.0                         | 0.19.0 -> 0.19.1    |  2012-02-07  |
-| 1.0.0                         | 0.18                |  2012-01-07  |
 
 
 A `phonetic` token filter that can be configured with different `encoder` types: