Merge pull request #57 from haohcraft/master

change http-method GET to POST on api.Screenboard#share

lib/api/screenboard.js

@@ -259,7 +259,7 @@ function getAll(callback){
  *  ```
  */
 function share(boardId, callback){
-    client.request("GET", util.format("/screen/share/%s", boardId), callback);
+    client.request("POST", util.format("/screen/share/%s", boardId), callback);
 }