Telemetry scheduler

![Screen Shot 2013-03-08 at 6 22 29 PM](https://f.cloud.github.com/assets/1118185/237475/f57e2d10-8814-11e2-8eaf-4a70dd1f8fea.png)

All UI elements work, including saving and loading.

https://github.com/TauLabs/TauLabs/pull/356 is to be done in tandem. It is required to change the metadata.