[#73992352] Updates the "06-accept-donations" page on the knowledge base.

Before:
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![2014-06-26_1534](https://cloud.githubusercontent.com/assets/2251119/3404464/57196e22-fd71-11e3-85ff-2ff27cebab89.png)
![2014-06-26_1535](https://cloud.githubusercontent.com/assets/2251119/3404475/6c3cc79a-fd71-11e3-989a-ecfe354b2eab.png)

After:
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![2014-06-26_1536](https://cloud.githubusercontent.com/assets/2251119/3404491/89d781be-fd71-11e3-9512-084ed35b022c.png)
![2014-06-26_1536](https://cloud.githubusercontent.com/assets/2251119/3404502/a4044216-fd71-11e3-8ed5-9cef1ddef187.png)