Scorecard and Summary component for Cricket

Aiming to revive the cricket by using the pa feed. The feed is rate-limited and error-prone, hence the use of a throttle, and a limited number of matches being updated by agent cycle.

Very much a first pass, will have to get back to it later. Not keen on the england-only match agent.

![screen shot 2014-09-08 at 19 18 12](https://cloud.githubusercontent.com/assets/4549425/4190376/f92852b2-3784-11e4-833d-e48a40ad1ad5.png)

![screen shot 2014-09-08 at 19 18 02](https://cloud.githubusercontent.com/assets/4549425/4190377/fb9f3588-3784-11e4-9755-6a2713217479.png)
You want cache headers on `NotFound` too