added download script for prerequisits libraries and updated info how to do it.

Author: rssdev10

RubyScript/lib/README.md

@@ -4,5 +4,9 @@ Prerequisits
 1. Download jruby-complete-x.x.x.jar from http://www.jruby.org/download and
    place it in this directory.
 
-2. Download RSyntaxTextArea from https://github.com/bobbylight/RSyntaxTextArea,
-   build it and place rsyntaxtextarea.jar in this directory.
+2. Download RSyntaxTextArea from [Maven Central repository](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22com.fifesoft%22%20AND%20a%3A%22rsyntaxtextarea%22).
+   Or download sources from https://github.com/bobbylight/RSyntaxTextArea,
+   build it and place rsyntaxtextarea.jar in this directory.
+
+
+Or simply run ./download.rb

RubyScript/lib/download.rb

@@ -0,0 +1,46 @@
+#!/usr/bin/env ruby
+
+# coding: utf-8
+
+require 'net/http'
+require 'rexml/document'
+
+def download(url, fn)
+  puts 'Downloading: ' + url
+  uri = URI.parse(url)
+  Net::HTTP.start(uri.host, uri.port,
+                  use_ssl: uri.scheme == 'https') do |http|
+    request = Net::HTTP::Get.new uri
+
+    http.request request do |response|
+      open fn, 'wb' do |io|
+        i = 0
+        response.read_body do |chunk|
+          print '.' if (i += 1) % 10 == 0
+          io.write chunk
+        end
+      end
+    end
+  end
+  puts
+end
+
+RSYNTAX_SRC = 'https://repo1.maven.org/maven2/com/fifesoft/rsyntaxtextarea/'
+MVN_DESCR = 'maven-metadata.xml'
+
+doc = Net::HTTP.get(URI.parse(RSYNTAX_SRC + MVN_DESCR))
+@data = (REXML::Document.new doc).root
+version =  @data.elements['//versioning/latest'].first.to_s
+download(RSYNTAX_SRC + version + '/' + "rsyntaxtextarea-#{version}.jar",
+         'rsyntaxtextarea.jar')
+
+VERSION = '9.0.0.0'
+JRUBY_SRC = 'https://s3.amazonaws.com/jruby.org/downloads/' \
+            "#{VERSION}/jruby-bin-#{VERSION}.zip"
+jruby_zip = 'jruby.zip'
+
+# File.write(jruby_zip, Net::HTTP.get(URI.parse(JRUBY_SRC)))
+
+download JRUBY_SRC, jruby_zip
+`unzip -j #{jruby_zip} jruby-9.0.0.0/lib/jruby.jar`
+`rm #{jruby_zip}`