Flatten ContainerStats struct
Add more detailed running instructions.

Fixes #290
Merge pull request #292 from vmarmol/readme

Add more detailed running instructions.
Merge pull request #277 from vmarmol/flat

Flatten ContainerStats struct
Add more detailed build docs.
Merge pull request #295 from vmarmol/readme

Add more detailed build docs.
Reorganizing cAdvisor docs and moving many of them to their own pages.
Merge pull request #298 from vmarmol/readme

Reorganizing cAdvisor docs and moving many of them to their own pages.
Syncing up with `master`.