!!Bugfix: Evernote link error since add thumbnail

1.11.3
bugfix for evernote & Wiz link error
evernote 和 Wiz 链接错误
1.11.4
Support base64 encode image
支持base64图片
![screenshot_2014_04_02t20_03_33 0800](https://cloud.githubusercontent.com/assets/4038241/2590586/1d6847de-ba5f-11e3-83b3-990b752d8fe1.png)