fixed file bug for indent issue and param type check

package.json

@@ -1,6 +1,6 @@
 {
   "name": "swagger-ui",
-  "version": "0.1.7",
+  "version": "0.1.8",
   "description": "Swagger UI is a dependency-free collection of HTML, Javascript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API",
   "scripts": {
     "build": "PATH=$PATH:./node_modules/.bin cake dist",

src/main/coffeescript/view/OperationView.coffee

@@ -76,9 +76,9 @@ class OperationView extends Backbone.View
         # requires HTML5 compatible browser
         bodyParam = new FormData()
 
-        # add params
+        # add params except file
         for param in @model.parameters
-          if param.paramType is 'body'
+          if param.paramType is 'body' and param.name isnt 'file'
             bodyParam.append(param.name, map[param.name])
 
         # add files
@@ -87,10 +87,10 @@ class OperationView extends Backbone.View
 
         console.log(bodyParam)
       else
-      bodyParam = null
-      for param in @model.parameters
-        if param.paramType is 'body'
-          bodyParam = map[param.name]
+        bodyParam = null
+        for param in @model.parameters
+          if param.paramType is 'body'
+            bodyParam = map[param.name]
 
       log "bodyParam = " + bodyParam