update to version 2.8.2

1.  Fixed crash when non-test users to share.
2. the new WeChat, YiXin is automatically generated thumbnail feature
when you are not setting a thumbnail.
3. repair YiXin Share Music type failures.
4. Comments added QQ space, Google+, Instagram account authorization.
5. Fixed the default sharing interface in horizontal screen resolution
of 640 * 1136, the one key share list to display of questions.