ankidroid/Anki-Android — pull request #485 by chengbo (2014-09-15 22:46:47+00:00)
Title: center prompting message in log in page

I think center this message could makes the UI more user friendly.

Before
![1](https://cloud.githubusercontent.com/assets/1020965/4280148/ac2cb17e-3d29-11e4-9868-44e60261ff1b.png)

After
![2](https://cloud.githubusercontent.com/assets/1020965/4280147/ac285dd6-3d29-11e4-96a9-7e613096d426.png)