fix(uploader): Add the ability to upload files via PUT instead of POST (#239)

* Add the ability to upload files via PUT instead of POST

* Add the method Propery to FileUploaderOptions

* Added braces and removed whitespaces.

Author: jhiemer

components/file-upload/file-item.class.ts

@@ -31,6 +31,9 @@ export class FileItem {
     this.options = options;
     this.file = new FileLikeObject(some);
     this._file = some;
+    if (uploader.options && uploader.options.method) {
+      this.method = uploader.options.method;
+    }
     this.url = uploader.options.url;
   }
 

components/file-upload/file-uploader.class.ts

@@ -22,6 +22,7 @@ export interface FileUploaderOptions {
   isHTML5?:boolean;
   filters?:Array<FilterFunction>;
   headers?:Array<Headers>;
+  method?:string;
   authToken?:string;
   maxFileSize?:number;
   queueLimit?:number;