bitcoin/bitcoin — pull request #3876 by laanwj (2014-03-15 09:18:02+00:00)
Title: qt: Show weeks as well as years behind for long timespans

Four years looks slightly nicer than 208 weeks.

![weeks](https://f.cloud.github.com/assets/126646/2427983/8ab8cc32-ac22-11e3-9e7e-783f3de9c253.png)

Closes #3811.