Modified commit for the https://github.com/wordnik/swagger-ui/pull/414

Brings backward compatibility for the 'allowMultiple' attribute.

src/main/coffeescript/view/ParameterView.coffee

@@ -1,6 +1,12 @@
 class ParameterView extends Backbone.View
   initialize: ->
-
+    Handlebars.registerHelper 'isArray',
+      (param, opts) ->
+        if param.type.toLowerCase() == 'array' || param.allowMultiple
+          opts.fn(@)
+        else
+          opts.inverse(@)
+          
   render: ->
     type = @model.type || @model.dataType
     @model.isBody = true if @model.paramType == 'body'

src/main/template/param_list.handlebars

@@ -1,14 +1,14 @@
 <td class='code'>{{name}}</td>
 <td>
-  <select {{#if allowMultiple}} multiple='multiple'{{/if}} class='parameter' name='{{name}}'>
+  <select {{#isArray this}} multiple='multiple'{{/isArray}} class='parameter' name='{{name}}'>
     {{#if required}}
     {{else}}
       {{#if defaultValue}}
       {{else}}
-        {{#if allowMultiple}}
-         {{else}}
+        {{#isArray this}}
+        {{else}}
           <option selected="" value=''></option>
-         {{/if}}
+        {{/isArray}}
       {{/if}}
     {{/if}}
     {{#each allowableValues.descriptiveValues}}