Add time constraints to compilation

[jfhbrook]

Right now, trying to browserify hoarders (for example, if it were on npm) would have Bad Consequences.

[jfhbrook]

The "right move" here is, once the docker stuff lands, name the docker container, create a timeout on build start, and kill the container if the timeout occurs. Some interesting concurrency patterns, but nothing too crazy.

[jfhbrook]

https://github.com/docker/docker/issues/1905