added rtl as initializer option, fixes harvesthq#1485

coffee/chosen.jquery.coffee

@@ -22,7 +22,7 @@ class Chosen extends AbstractChosen
  setup: ->
  @form_field_jq = $ @form_field
  @current_selectedIndex = @form_field.selectedIndex
- @is_rtl = @form_field_jq.hasClass "chosen-rtl"
+ @is_rtl = true if @form_field_jq.hasClass "chosen-rtl"
 
  set_up_html: ->
  container_classes = ["chosen-container"]

coffee/chosen.proto.coffee

@@ -2,7 +2,7 @@ class @Chosen extends AbstractChosen
 
  setup: ->
  @current_selectedIndex = @form_field.selectedIndex
- @is_rtl = @form_field.hasClassName "chosen-rtl"
+ @is_rtl = true if @form_field.hasClassName "chosen-rtl"
 
  set_default_values: ->
  super()

coffee/lib/abstract-chosen.coffee

@@ -18,6 +18,7 @@ class AbstractChosen
  @mouse_on_container = false
  @results_showing = false
  @result_highlighted = null
+ @is_rtl = @options.rtl || false
  @allow_single_deselect = if @options.allow_single_deselect? and @form_field.options[0]? and @form_field.options[0].text is "" then @options.allow_single_deselect else false
  @disable_search_threshold = @options.disable_search_threshold || 0
  @disable_search = @options.disable_search || false

public/options.html

@@ -110,6 +110,14 @@ <h3>Example:</h3>
  <p><strong>Note:</strong> this is for multiple selects only. In single selects, the selected result will always be displayed.</p>
  </td>
  </tr>
+ <tr>
+ <td>rtl</td>
+ <td>false</td>
+ <td>
+ <p>Chosen supports right-to-left text in select boxes. Set this option to <code class="language-javascript">true</code> to support right-to-left text options.</p>
+ <p><strong>Note:</strong> the <code class="language-javascript">chosen-rtl</code> class on the select has precedence over this option.</p>
+ </td>
+ </tr>
  </table>
 
  <h2><a name="attributes" class="anchor" href="#attributes">Attributes</a></h2>