fix package description

Author: rssdev10

RubyScript/src/org/knime/ext/jruby/package.html

@@ -26,13 +26,13 @@
 <code>
 count = $inData0.length
 $inData0.each_with_index do |row,i|
-   $outContainer << row.string('Hi!').int(row.getCell(0).to_s.length).append
+   $outContainer << Cells.new.string('Hi!').int(row[0].to_s.length)
    setProgress "#{i*100/count}%" if i%100 != 0
 end
 </code>
 
 <p>
-The <code>RubyScriptModel</code> cannot predefined columns.
+The <code>RubyScriptModel</code> allows to use existing and add new columns.
 <p>
 The <code>RubyScriptDialog</code> allows loading and editing of Ruby script.
 <p>